Prentice Hall

Other ISBN ranges for Prentice Hall: Prentice Hall (978-1-4182-...) · Prentice Hall (978-1-4183-...) · Prentice Hall (978-84-8322-...) · Prentice Hall (978-84-89660-...) · Prentice Hall (978-0-7108-...) · Prentice Hall (978-0-7352-...) · Prentice Hall (978-0-7450-...) · Prentice Hall (978-0-910217-...) · Prentice Hall (978-0-9686860-...) · Prentice Hall (978-0-9825838-...) · Prentice Hall (978-1-58577-...) · Prentice Hall (978-1-74091-...) · Prentice Hall (978-968-880-...) · Prentice Hall (978-970-17-...) · Prentice Hall (978-981-244-...) · Prentice Hall (978-981-4024-...) · Prentice Hall (978-987-9460-...) · Prentice Hall (978-987-97892-...) · Prentice Hall (978-99908-21-...) · Prentice Hall (978-99927-875-...) · Prentice Hall (978-99943-922-...) · Prentice Hall (978-0-7248-...) · Prentice Hall (978-89-450-...) · Prentice Hall (978-91-970296-...) · Prentice Hall (978-9979-0-...)

ISBN 978-0-13-433569-8 to 978-0-13-434568-0 < ISBN 978-0-13-434570-3 to 978-0-13-435449-1 > ISBN 978-0-13-435450-7 to 978-0-13-436132-1

year of pub­li­ca­ti­onISBNauthor(s)title
2000978-0-13-434570-3PadillaScience Explorer Inside Earth Teacher Edition
  ''978-0-13-434571-0Michael J. Padilla · Ioannis Miaoulis · Martha CyrScience Explorer: From Bacteria to Plants: Teacher's Edition
  ''978-0-13-434573-4Prentice HallPrentice Hall Science Explorer Motion Forces and Energy Teachers Edition (Motion, Forces, and Energy)
  ''978-0-13-434574-1Michael J. PadillaSound and Light, Teacher's Edition (Science Explorer, Vol. O)
2001978-0-13-434579-6World Explorer Color Transparencies with Lesson Suggestions
2012978-0-13-434585-7PRENTICE HALLWORLD EXPLORER:ENGLISH SPANISHENGGUIDED READING AUDIO TAPES:MEDIEVAL 1998C
1998978-0-13-434587-1Prentice HallWorld Explorer Geography audiotapes in English and Spanish
1989978-0-13-434588-8   ''World Explorer Europe and Russia in english and spanish
1998978-0-13-434590-1   ''World Explorer Asia and the Pacific in english and spanish
1989978-0-13-434591-8   ''World Explorer Africa in english and spanish
1998978-0-13-434593-2ManyPrentice Hall's Advance Algebra Tools for a Changing World (In a Box) (LOTS of Materials/Books/Activities)
1999978-0-13-434639-7PRENTICE HALLWRITERS SOLUTION GRAMMAR PRACTICE BOOK GRADE 6 1998C
1950978-0-13-434640-3   ''WRITERS SOLUTION GRAMMAR PRACTICE BOOK GR 7 1998C
1950978-0-13-434641-0PRENTICE HALLWRITERS SOLUTION GRAMMAR PRACTICE BOOK GRADE 8 1998C
1998978-0-13-434642-7Inc. Prentice-HallGrammar Practice Book
1999978-0-13-434643-4PRENTICE HALLWRITERS SOLUTION GRAMMAR PRACTICE BOOK GRADE 10 1998C
1998978-0-13-434644-1RubyWriter's Solution: Grammar Practice Workbook
1999978-0-13-434645-8PRENTICE HALLWRITER'S SOLUTION GRAMMAR PRACTICE BOOK GRADE 12 1998C
  ''978-0-13-434660-1EllisWorld History: Connections to Today, Teacher's Edition
  ''978-0-13-434662-5Connections to today (World History, Texas)
2012978-0-13-434664-9PRENTICE HALLWORLD HISTORY CONNECTIONS TO TODAY GUIDE TO ESSENTIAL WORLD HISTORY 1999
1999978-0-13-434665-6Prentice HallWorld History Guide to Essentials and Spanish Resources Teacher's Manual
2015978-0-13-434667-0Steven J. Molinsky · Bill BlissValue Pack: Side by Side Plus 2 Student Book and eText with Activity Workbook and Digital Audio
2016978-0-13-434670-0Steven J. Molinsky · Bill BlissValue Pack: Side by Side Plus 3 Student Book and eText with Activity Workbook and Digital Audio
2001978-0-13-434675-5World History Interactive Student Tutorial CD-ROM (Connections to Today)
1999978-0-13-434677-9PRENTICE HALLWORLD HISTORY CONNECTIONS TO TODAY GUIDED READING AUDIOTAPES SPANISH
1998978-0-13-434679-3Standardized Test Prep Handbook (Prentice Hall Social Studies)
1999978-0-13-434682-3Suzanne H. ChapinMiddle Grades Math: Tools for Success Course 1
  ''978-0-13-434683-0Suzanne H. Chapin · Mark Illingworth · Marsha LandauMiddle Grades Math: Tools for Success, Course 2
  ''978-0-13-434685-4ChapinMiddle Grades Math Tools for Success Course 3
1999978-0-13-434686-1Suzanne H. Chapin et alMiddle Grades Math, Grades 6-8 Overhead Manipulatives Kit
  ''978-0-13-434687-8Chapin et al.Middle Grades Math, Tools for Success, Course 2: Teacher's Edition (Course 2)
  ''978-0-13-434688-5ChapinMiddle Grades Math Tools for Success Course 3 Teacher's Edition
2015978-0-13-434698-4Steven J. Molinsky · Bill BlissValue Pack: Side by Side Plus 1 Student Book and eText with Activity Workbook and Digital Audio
2016978-0-13-434703-5   ''Value Pack: Side by Side Plus 3 Student Book and eText with Plus 4 Activity Workbook and Digital Audio
1988978-0-13-434705-9James GibbonsHow to Start and Build a Successful Manufacturers' Agency
1997978-0-13-434740-0American Government Guide to the Essentials
1998978-0-13-434742-4BriggsBrief Review in United States History and Government
  ''978-0-13-434744-8Brief Review in Global Studies
  ''978-0-13-434756-1William A. McClenaghanMagruder's American Government 1998
1998978-0-13-434757-8William A. McClenaghanTe American Government
  ''978-0-13-434759-2Prentice Hall staffWriter's Solution Grammar Practice Book Answer Key, Bronze (Grade 7)
  ''978-0-13-434761-5staffGrammar Practice Book Gold Answer Key (Prentice Hall Writer's Solution)
  ''978-0-13-434763-9Prentice HallGrammar
  ''978-0-13-434766-0Prentice Hall staffWriter's Solution Diamond Level: Grammar Practice Book Answer Key
1994978-0-13-434775-2Linda DensmanPrentice Hall Science
2000978-0-13-434776-9H. Eugene LeMay Jr. · Herbert Beall · Karen M. Robblee · Douglas C. BrowerChemistry: Connections to our Changing World, 2nd Edition, Student Edition
978-0-13-434777-6Prentice Hall Chemistry - Connections to Out Changing World, Teacher's Edition
1998978-0-13-434778-3Miller/LevineBiology: The Living Science (Lesson Planner Plus)
1998978-0-13-434780-6Lesson Planner Plus (Biology-The Living Science)
1997978-0-13-434786-8Marina LiapunovJuntos Uno: Level 1 (Spanish Edition)
  ''978-0-13-434787-5   ''Juntos DOS (Spanish Edition)
  ''978-0-13-434793-6PRENTICE HALLJuntos Tres Sample VHS
1999978-0-13-434800-1Elisabeth Gaynor Ellis · Anthony EslerWorld History: Connections to Today
  ''978-0-13-434802-5Prentice HallWorld History: Spanish Resources
  ''978-0-13-434805-6EllisWorld History Connections to Today, the Modern Era, Teacher's Edition
1999978-0-13-434806-3Elisabeth Gaynor Ellis · Anthony EslerWorld History Connections to Today: The Modern Era
  ''978-0-13-434813-1World Cultures Global Mosaic Teacher S Edition
1998978-0-13-434816-2Bertram CorenBrief Review in Biology (1998 Edition)
978-0-13-434820-9SPSSSpss Base System Syntax Ref Gde
1998978-0-13-434821-6CallisterEarth Science Brief Review
1995978-0-13-434838-4Spss Inc.Spss Base 6.1: Base System User's Guide: Macintosh Version
  ''978-0-13-434846-9SPSS1995 Spss Catalog
1997978-0-13-434853-7Anthony C. Winkler · Joray McCuen · Jo Ray McCuenWriting Talk: Paragraphs and Short Essays
1984978-0-13-434861-2MancusoHow to Start, Finance, and Manage a Small Business
1999978-0-13-434862-9Henry E. Jacobs · Lederer · SorensenAnnotated Teacher's Edition: Prentice Hall Literature: Timeless Voices, Timeless Themes: Gold
  ''978-0-13-434864-3Henry E. JacobsAnnotated Teacher's Edition: Prentice Hall Literature: Timeless Voices, Timeless Themes: Platinum
  ''978-0-13-434865-0Prentice HallPrentice Hall Literature: Timeless Voices, Timeless Themes (The American Experience, Annotated Teacher's Edition)
1999978-0-13-434866-7Diane CappilloThe British Tradition Annotated Teacher's Edition (Timeless Voices Timeless Themes)
  ''978-0-13-434868-1UnknownPrentice Hall Literature: Timeless Voices, Timeless Themes Teaching Resources (Platinum) Complete 8-Book Set with CD-ROM (See Product Description for Details)
  ''978-0-13-434869-8Teaching Resources with Assessment Package (timeless voices, timeless themes, prentice hall literature)
  ''978-0-13-434870-4Teaching Resources (Prentice Hall Literature: Timeless Voices, TImeless Themes: The British Tradition)
2000978-0-13-434871-1staffListening to Literature Gold (PH Lit. Timeless Voices,Timeless Themes)
  ''978-0-13-434872-8   ''Book on Tape Platinum Listening to Literature (Prentice-Hall Literature Timeless Voices, Timeless Themes Teaching Resources)
2012978-0-13-434873-5PRENTICE HALLPrentice Hall Literature: Timeless Voices, Timeless Themes. The American Experience (Listening to Literature)
2000978-0-13-434874-2Prentice-Hall Literature: Timeless Voices, Timeless Themes: The British Tradition: Book on Tape (Listening to Literature)
1984978-0-13-434879-7Joseph MancusoHow to start, finance, and manage your own small business
1997978-0-13-434887-2Anthony C. Winkler · Joray McCuen · Jo Ray McCuenWriting Talk: Paragraphs and Short Essays With Readings
2000978-0-13-434888-9DavidsonThe American Nation California Teacher's Edition
2000978-0-13-434889-6American Nation Independence: Teaching Resources
  ''978-0-13-434890-2American History Guide to the Essentials (Independence Through 1914)
  ''978-0-13-434891-9Prentice HallSpanish Edition - Guide to the Essentials of American History Independence Through 1914
  ''978-0-13-434892-6   ''Cantonese Edition - Guide to the Essentials of American History Independence Through 1914
2000978-0-13-434893-3Prentice HallCambodian Edition - Guide to the Essentials of American History Independence Through 1914
1996978-0-13-434895-7Anthony C. Winkler · Joray McCuenWriting Talk: Sentences and Paragraphs With Readings
2000978-0-13-434896-4Prentice HallHmong Edition - Guide to the Essentials of American History Independence Through 1914
  ''978-0-13-434897-1   ''Vietnamese Edition - Guide to the Essentials of American History Independence Through 1914
  ''978-0-13-434898-8   ''Guide to the Essentials of American History Independence Through 1914 - Teacher's Manual
  ''978-0-13-434901-5The American Nation Transparencies with Lesson Suggestions
  ''978-0-13-434902-2Pedro CastilloThe American Nation Beginnings to 1877
2000978-0-13-434904-6James West DavidsonThe American Nation: Beginnings Through 1877
  ''978-0-13-434907-7Prentice Hall · American HeritageAmerican Nation: Student Edition Grades 6, 7 & 8 [Textbook, Prentice Hall]
1999978-0-13-434908-4James West Davidson · Pedro G. Castillo · Michael B. StoffThe American Nation, Teacher's Edition
  ''978-0-13-434909-1American Nation Survey: Teaching Resource
1978978-0-13-434910-7Joseph MancusoHow to Start, Finance, and Manage Your Own Small Business (Spectrum Book; Srs-10)
2000978-0-13-434911-4Prentice HallThe American Nation Resource Pro CD-ROM
  ''978-0-13-434912-1The Prentice Hall American Nation, Guided Reading Audiotapes English Version
  ''978-0-13-434915-2Prentice HallGuide to the Essentials of American History
2000978-0-13-434916-9Guide to the Essentials of American History Spanish Edition
1978978-0-13-434928-2Joseph MancusoHow to start, finance, and manage your own small business (A Spectrum book ; SRS-10)
1968978-0-13-434936-7Tyler Gregory HicksHow to Start Your Own Business on a Shoestring and Make Up to $100,000 a Year
2000978-0-13-434938-1Prentice HallEnvironmental Science Teacher's Resource Package/Kit
  ''978-0-13-434940-4   ''Earth's Waters, Teaching Resources with Color Transparencies
1975978-0-13-434944-2Weston D KempHow to take better Polaroid pictures (Modern photo guide)
1998978-0-13-434950-3Jacobs Randolph LeVasseurNorth Carolina Grade 5 (World Explorers, Grade 5)
1985978-0-13-434952-7John J., III BransonHow to Start a Word Processing Business at Home
1998978-0-13-434953-4JacobsNorth Carolina (World Explorer, Grade 7)
  ''978-0-13-434954-1Kenneth · Levine, Joseph MillerPrentice Hall Biology: The Living Science - BioLog (Units 1-5)
  ''978-0-13-434964-0Juntos Uno Activity Book Practice Plus Teacher's Edition
  ''978-0-13-434965-7Prentice HallJuntos Dos Activity Book Teacher's Edition
1998978-0-13-434966-4H. Judith AucarJuntos: Activity Book - Practice Plus - Teacher's Edition [Teacher's Edition]
  ''978-0-13-434967-1PRENTICE HALLJUNTOS UNO PRACTICE PLUS ACTIVITY BOOK 1998C FIRST EDITION
1997978-0-13-434968-8Inc. Prentice-HallJuntos DOS: Activity Book Practice Plus
1976978-0-13-434969-5Weston KempHow to Take Better Polaroid Pictures (Spectrum Books)
1997978-0-13-434970-1PRENTICE HALLJUNTOS TRES PRACTICE PLUS ACTIVITY BOOK 1998C
  ''978-0-13-434980-0Anthea MatonPrentice Hall Science Annotated Teacher's Edition
  ''978-0-13-434981-7   ''Prentice Hall Science
1999978-0-13-434996-1PRENTICE HALLGEOMETRY 1998 SPANISH PRACTICE WORKBOOK
1999978-0-13-434997-8PRENTICE HALLADVANCED ALGEBRA 1998 SPANISH PRACTICE WORKBOOK
2002978-0-13-434998-5Manual de algebra para dos anos (Prentice Hall Algebra)
1999978-0-13-434999-2PRENTICE HALLALGEBRA 1998 SPANISH PRACTICE WORKBOOK
1987978-0-13-435009-7Don FlemingHow to stop the battle with your child: A practical guide to solving everyday problems with children
1978978-0-13-435016-5Michael. ZwellHow to Succeed at Love
1997978-0-13-435018-9PRENTICE HALLPH SCI 3E TENN RUTHERFORD VOL 1 GR 8
  ''978-0-13-435020-2   ''PH SCI 3E TENN RUTHERFORD VOL 1 GR 7
1978978-0-13-435024-0Michael ZwellHow to succeed at love (A Spectrum book)
1982978-0-13-435032-5Stuart LitvakHow to Study Psychology: A Basic Field Guide for Students and Enthusiasts
  ''978-0-13-435040-0   ''How to study psychology: A basic field guide for students and enthusiasts
1998978-0-13-435065-3Prentice HallEnvironmental Science Nasta School Edition
2000978-0-13-435080-6William D. Schraer · Herbert J. StoltzeBiology
1999978-0-13-435081-3PRENTICE HALLBIOLOGY THE STUDY OF LIFE STUDY GUIDE SE 1999C
1993978-0-13-435082-0John M (Editor) DaltonHow the Stock Market Works
1999978-0-13-435083-7William D. Schraer, Ruth D. Horn, Herbert J. Stoltze Warren B. BjorkBiology: The Study of Life (Laboratory Manual)
  ''978-0-13-435084-4William D. Schraer · Warren B. Bjork · Ruth D. Horn · Herbert J. StoltzeBiology: Study of Life, Laboratory Manual for
  ''978-0-13-435085-1Schraer · StoltzeBiology Study of Life
1999978-0-13-435086-8William D. Schraer · Herbert J. StoltzeBiology: Study of Life
2000978-0-13-435092-9Prentice HallLiterature Gold Resource Pro CD-ROM (Timeless Voices, Timeless Themes)
  ''978-0-13-435093-6   ''Timeless Voices, Timeless Themes Platinum Resource Pro CD-Rom (Prentice Hall Literature)
2001978-0-13-435094-3PRENTICE HALLPH RESOURCE PRO PRENTICE HALL LITERATURE, THE AMERICAN EXPERIENCE. TEACHING RESOURCE & CLASSROOM MANAGEMENT AT YOUR FINGERTIPS
2000978-0-13-435095-0Prentice Hall staffResource Pro with Literature Database (Prentice Hall Literature Timeless Voices, Timeless Themes The British Tradition)
1999978-0-13-435100-1Andrew Cayton · Elisabeth Israels Perry · Linda Reed · Allan M. WinklerAmerica Pathway to the Present: Survey Edition
  ''978-0-13-435106-3staffWriting and Language Transparencies (Prentice Hall Literature: Timeless Voices/Timeless Themes and Prentice Hall Writers Solution)
1989978-0-13-435108-7Don C. Dinkmeyer · Jon CarlsonTaking Time for Love: How to Stay Happily Married
1999978-0-13-435111-7Prentice HallLiterature Timeless Voices, Timeless Themes and Prentice Hall Writer's Solution Writing and Language Transparencies
  ''978-0-13-435112-4Prentice Hall Literature: Timeless Voices, Timeless Themes & Prentice Hall Writer's Solution (Prentice Hall Literature, Timeless Voices, Timeless Themes)
1989978-0-13-435116-2Larry Joel GoldsteinHow to Study Calculus
  ''978-0-13-435124-7Don FlemingHow to stop the battle with your teenager: A practical guide to solving everyday problems
1998978-0-13-435153-7Prentice Hall BioVue Plus Units 1-3, Unit 1: The World of Life, Unit 2: Genetics, Unit 3: Evolution for Windows and Macintosh
1989978-0-13-435157-5CALTER DUDENHEHow to Study Technical Maths
1991978-0-13-435165-0Ross Richard ReckTurn your customers into your sales force: The art of winning repeat and referral customers
1983978-0-13-435173-5OliverHow Take Standardized Tests
1998978-0-13-435193-3Prentice Hall Math - Assessment Workbook
1985978-0-13-435199-5Frances CarrollHow to Talk With Your Children About God
1985978-0-13-435207-7Frances L CarrollHow to talk with your children about God (Steeple books)
1981978-0-13-435214-5Philip J. KoerperHow to Talk Your Way to Success in Selling
2015978-0-13-435219-0Peter J. RussellModified Mastering Genetics with Pearson eText -- ValuePack Access Card -- for iGenetics: A Molecular Approach
1979978-0-13-435222-0Philip J. KoerperHow to Talk Your Way to Success in Selling
978-0-13-435230-5How to Talk with God Every Day of the Year: A Book of Devotions for Twelve Postive Months (Spectrum Book)
1984978-0-13-435248-0Frances Gardner HunterHow to Talk With God Every Day of the Year: A Book of Devotions for Twelve Positive Months (Steeple books)
2016978-0-13-435267-1Michael SolomonConsumer Behaviour: Buying, Having, and Being, 7th Canadian Edition
1973978-0-13-435271-8E. HegartyHow to Talk Your Way to the Top
1978978-0-13-435289-3Edward James HegartyHow to Talk Your Way to the Top
1999978-0-13-435293-0PRENTICE HALLLiterature: Timeless Voices, Timeless Themes: Copper Level
2000978-0-13-435294-7Henry E. Jacobs · Lederer · SorensonLiterature: Timeless Voices, Timeless Themes
1999978-0-13-435295-4Inc. Prentice-HallPrentice Hall Literature: Timeless Voices, Timeless Themes: Silver
1993978-0-13-435298-5John E., M.D. EichenlaubPrime Time: A Doctor's Guide to Staying Younger Longer
1998978-0-13-435300-5Allan BellmanGraphing calculators: Tools for understanding (Prentice Hall math)
1993978-0-13-435306-7John E., M.D. EichenlaubPrime Time: A Doctor's Guide to Staying Younger Longer
1994978-0-13-435314-2Jack GriffinHow to Say It Best: Choice Words, Phrases, & Model Speeches for Every Occasion
  ''978-0-13-435322-7Jack GriffinHow to Say It Best: Choice Words, Phrases and Model Speeches for Every Occasion
1995978-0-13-435330-2JoAnne Cameron Bob CameronPRISM OF POETRY - Pathways to Writing
1975978-0-13-435362-3Barbara TuchHow to teach children to draw, paint, and use color
1999978-0-13-435394-4Middle Grades Math: Tools For Success - Course 1 (Tools For Success, Course 1 - Texas Teacher's Edition)
  ''978-0-13-435395-1Gardella, Illingworth, Landau by ChapinMiddle Grades Math: Tools for Success (Texas, Course 2)
  ''978-0-13-435398-2Tools for Success: Course 3 (Preparing for Algebra and Geometry) (Middle Grades Math)
2001978-0-13-435403-3prentice hallMiddle grades math tools for success computer item generator with standardized test practice" (course 1)
2003978-0-13-435406-4Prentice HallMiddle Grades Math Tools for Success Computer Item Generator with Standardized Test Practice CD-ROM Included (Course 2)
1998978-0-13-435416-3PRENTICE HALLMGM INTERACTIVE STUDENT TUTORIAL CD-ROM COURSE 1
  ''978-0-13-435417-0   ''MGM INTERACTIVE STUDENT TUTORIAL CD-ROM COURSE 2 FOR MAC & WINDOWS
1998978-0-13-435418-7PRENTICE HALLMGM INTERACTIVE STUDENT TUTORIAL CD-ROM COURSE 3 FOR MAC & WINDOWS
2012978-0-13-435419-4PRENTICE HALLMiddle Grades Math: Tools for Success Course 1 Practice Workbook
  ''978-0-13-435420-0   ''Middle Grades Math: Tools for Success Course 2 Practice Workbook
  ''978-0-13-435422-4   ''Middle Grades Math: Tools for Success Course 3 Workbook
2001978-0-13-435423-1Prentice HallMiddle Grades Math Tools for Success Solution Key (Course 1)
  ''978-0-13-435424-8   ''Solution Key Middle Grades Math Course 2
  ''978-0-13-435425-5   ''Middle Grades Math Tools for Success Course 3 Solution Key (Middle Grades Math, Course 3)
1999978-0-13-435426-2Prentice HallPrentice Hall Middle Grades Math Tools for Success Course 1
  ''978-0-13-435427-9   ''Middle Grades Math Tools for Success Course 2 Transparencies
  ''978-0-13-435428-6n/aMiddle Grades Math Tools For Success Transparencies
1997978-0-13-435431-6Interdisciplinary Units Teacher's Edition (Interdisciplinary Units Teacher's Edition :Middle Grades Math, Tools for Success, course 2)
  ''978-0-13-435433-0Prentice Hall staffPrentice Hall Math Tools for Success Interdisciplinary Units Course 3
1982978-0-13-435438-5Harold ShermanHow to Turn Failure Into Success
1999978-0-13-435441-5Prentice HallLiterature Study Guide - A Midsummer Night's Dream
1991978-0-13-435442-2StaffThe Strange Case of Dr. Jekyll and Mr. Hyde (Literature Study Guide)
  ''978-0-13-435443-9   ''My Antonia (Literature Study Guide)
1999978-0-13-435445-3Prentice Hall StaffLatino Literature (Prentice Hall Literature Library)
1977978-0-13-435446-0Jack R FraenkelHow to teach about values: An analytic approach
1998978-0-13-435447-7Prentice HallPRENTICE HALL LITERATURE: TVTT ANTHOLOGY AFRICAN AMERICAN LITERATURE GRADES 9-12
1997978-0-13-435448-4PRENTICE HALLPRENTICE HALL LITERATURE SOUTHERN WRITERS GRADES 9-12
1998978-0-13-435449-1   ''PRENTICE HALL LITERATURE: LITERATURE OF THE AMERICAN SOUTHWEST GRADES 9-12