| year of publication | ISBN | author(s) | title |
| 1979 | 978-0-931993-02-2 | S. Harold Collins | Mastering the Art of Substitute Teaching (Substitute Teaching Series) |
| 1982 | 978-0-931993-03-9 | '' | Classroom Management for Substitute Teachers |
| 1995 | 978-0-931993-05-3 | S. Harold Collins · Kathy Kifer | Expanded Songs in Sign (Beginning Sign Language Series) (Signed English) |
| 1986 | 978-0-931993-06-0 | S. Harold Collins | Addition (Straight Forwward Math Series) |
| '' | 978-0-931993-07-7 | '' | Multiplication (Straight Forward Math Series) |
| 1984 | 978-0-931993-08-4 | Jane Kitterman · S. Harold Collins | A Word in the Hand Book One: An Introduction to Sign Language |
| 2001 | 978-0-931993-09-1 | Finger Alphabet Cards (Sign Language) |
| 1986 | 978-0-931993-12-1 | S. Harold Collins | Subtraction (Straight Forward Math Series) |
| '' | 978-0-931993-13-8 | '' | Division (Straight Forward Math Series) |
| 1987 | 978-0-931993-15-2 | '' | Advanced Addition (Straight Forward Math Series) |
| 1987 | 978-0-931993-16-9 | S. Harold Collins | Advanced Subtraction (Straight Forward Math Series) |
| '' | 978-0-931993-18-3 | '' | Advanced Division (Straight Forward Math Series) |
| 2000 | 978-0-931993-19-0 | Nan DeVincent-Hayes | Troublesome Grammar (GP-019) |
| 1988 | 978-0-931993-20-6 | S. Harold Collins | Advanced Decimals (Straight Forward Math Series) |
| '' | 978-0-931993-21-3 | '' | Advanced Fractions (Advanced Straight Forward Math Series) |
| 2000 | 978-0-931993-25-1 | S. H. Collins | Percent (Straight Forward Math Series) |
| 2001 | 978-0-931993-27-5 | Stanley H. Collins | Substitute Teacher Folder (Substitute Teaching) |
| 1989 | 978-0-931993-28-2 | S. Harold Collins | Pre-Algebra, Book 1 (Straight Forward Math Series/Book 1) |
| '' | 978-0-931993-29-9 | '' | Pre-Algebra, Book 2 (Straight Forward Math Series) |
| 1990 | 978-0-931993-30-5 | '' | Pre-Geometry (Straight Forward Math Series, Book 1) |
| 1990 | 978-0-931993-31-2 | S. Harold Collins | Pre-Geometry (Straight Forward Math Series, Book 2) |
| '' | 978-0-931993-32-9 | '' | Capitalization & Punctuation (Straight Forward English Series) |
| '' | 978-0-931993-33-6 | '' | Nouns and Pronouns (Straight Forward English) |
| '' | 978-0-931993-34-3 | '' | Verbs (Straight Forward English Series) |
| 1988 | 978-0-931993-35-0 | '' | Adjectives & Adverbs (Straight Forward English Series) |
| 1992 | 978-0-931993-37-4 | Stephen B. Jahnke | Algebra (Straight Forward Math Series/Book 1) |
| '' | 978-0-931993-38-1 | Stephen B. Jahnke | Algebra (Straight Forward Math Series/Book 2) |
| 2001 | 978-0-931993-39-8 | S. Harold Collins | Fractions (Straight Forward Math Series) |
| 2000 | 978-0-931993-40-4 | Jane Kitterman · S. Harold Collins | A Word in the Hand Book 2: An Introduction to Sign Language (Sign Language Materials) |
| 1999 | 978-0-931993-41-1 | S. Harold Collins | Sentences (Straight Forward English Series) |
| 2000 | 978-0-931993-42-8 | H. S. Lawrence | Word Problems, Bk 2 (Straight Forward Math Series) |
| 1992 | 978-0-931993-43-5 | S. Harold Collins | Prepositions, Conjunctions and Interjections (Straight Forward English Series) |
| 1992 | 978-0-931993-44-2 | S. Harold Collins | Mastery Tests (Straight Forward Math Series) |
| '' | 978-0-931993-45-9 | Stephen B. Jahnke | Trigonometry (Straight Forward Math Series) |
| '' | 978-0-931993-47-3 | S. Harold Collins · Kathy Kifer · Dahna Solar | Signing at School (Beginning Sign Language Series) (Signed English) |
| 2001 | 978-0-931993-48-0 | SL Collins | Finger Alphabet Lotto (Sign Language) |
| 1992 | 978-0-931993-49-7 | H. S. Lawrence | Addition: No Regrouping, Featuring Endangered Species (Puzzles and Practice Series) (English and Spanish Edition) |
| 1992 | 978-0-931993-50-3 | H. S. Lawrence | Subtraction: No Regrouping, Featuring Rain Forest Animals (Puzzles and Practice Series) (English and Spanish Edition) |
| '' | 978-0-931993-51-0 | '' | Addition & Subtraction With Regrouping: With Ocean Animals (Puzzles and Practice Series) |
| '' | 978-0-931993-52-7 | '' | Multiplication: Factors 1-12, Featuring Desert Animals (Puzzles and Practice Series) (English and Spanish Edition) |
| 1993 | 978-0-931993-53-4 | Stan VerNooy | Pre-Calculus (Large Edition Straight Forward Math Series) |
| 1989 | 978-0-931993-54-1 | Vicky Rene Kirkpatrick · Kathy Kifer | Geometry (Straight Forward Math Series) |
| 1993 | 978-0-931993-55-8 | C. G. Cleveland | Clauses & Phrases (Advanced Straight Forward English Series) |
| '' | 978-0-931993-56-5 | '' | Mechanics (Advanced Straight Forward English Series) |
| '' | 978-0-931993-57-2 | S. Harold Collins · Kathy Kifer | Can I Help?: Helping the Hearing Impaired in Emergency Situations (Beginning Sign Language) (Signed English) |
| 1993 | 978-0-931993-58-9 | S. Harold Collins | Caring for Young Children: Signing for Day Care Providers & Sitters (Beginning Sign Language) |
| '' | 978-0-931993-59-6 | H. S. Lawrence | Division: Featuring Grassland Animals (Puzzles and Practice Series) (English and Spanish Edition) |
| '' | 978-0-931993-61-9 | '' | Fractions: Featuring Mountain Animals (Puzzles and Practice Series) |
| 1993 | 978-0-931993-62-6 | H. S. Lawrence | Advanced Multiplication: Featuring Polar Animals (Puzzles and Practice Series) (English and Spanish Edition) |
| 1994 | 978-0-931993-64-0 | Stan VerNooy | Calculus AB, Volume One (Straight Forward Math Series) |
| 2001 | 978-0-931993-65-7 | S. Harold Collins | An Alphabet of Animal Signs (Beginning Sign Language Series) |
| 1994 | 978-0-931993-66-4 | '' | Mother Goose in Sign (Beginning Sign Language) |
| 1995 | 978-0-931993-67-1 | Stan VerNooy | Calculus AB, Volume Two (Straight Forward Math Series) |
| 1984 | 978-0-931993-68-8 | Jane Kitterman · S. Harold Collins | A Word in the Hand Book One: An Introduction to Sign Language |
| 1995 | 978-0-931993-69-5 | S. Harold Collins | A Word in the Hand Bk. 2 (Sign Language Materials) |
| '' | 978-0-931993-71-8 | S. Harold Collins · Kathy Kifer · Dahna Solar | Songs in Sign (Beginning Sign Language Series) (Signed English) |
| '' | 978-0-931993-72-5 | '' | Number & Letter Games (Beginning Sign Language Series) (Signed English) |
| 1999 | 978-0-931993-73-2 | Kathy Kifer | Family and Community (Beginning Sign Language Series) |
| 2002 | 978-0-931993-74-9 | Mary Elizabeth | To Kill a Mockingbird: A Teaching Guide |
| 1995 | 978-0-931993-75-6 | Nan DeVincent-Hayes | Grammar & Diagramming Sentences (Advanced Straight Forward English Series) |
| 2001 | 978-0-931993-76-3 | Mary Spicer | A Teaching Guide to My Side of the Mountain (Discovering Literature) |
| 1996 | 978-0-931993-77-0 | Mary F. Spicer | A Teaching Guide to Where the Red Fern Grows (Discovering Literature Series) |
| '' | 978-0-931993-78-7 | Mary Spicer | A Teaching Guide to Mrs. Frisby and the Rats of NIMH (Discovering Literature) |
| '' | 978-0-931993-79-4 | Mary F. Spicer | A Teaching Guide to Island of the Blue Dolphins (Discovering Literature) |
| 1999 | 978-0-931993-81-7 | Ane Rovetta · S. Harold Collins | Coyote & Bobcat (Sign Language Literature Series) |
| 1996 | 978-0-931993-82-4 | S. Harold Collins | Raven and Water Monster (Sign Language Literature Series) |
| 2000 | 978-0-931993-83-1 | H. S. Lawrence | Word Problems Book 1 (Straight Forward Math Series) |
| 1999 | 978-0-931993-85-5 | S. Harold Collins | Ananse the Spider: Why Spiders Stay on the Ceiling (Sign Language Literature Series) |
| 1997 | 978-0-931993-86-2 | Stanley H. Collins | Fountain of Youth (Sign Language Literature Series) |
| 2001 | 978-0-931993-87-9 | Stanley H. Collins · Kathy Kifer · Jane Phillips | Foods (Beginning Sign Language Series) (Signed English) |
| 1997 | 978-0-931993-88-6 | S. Harold Collins | Fruits & Vegetables (Beginning Sign Language Series) |
| 2001 | 978-0-931993-89-3 | '' | Pets, Animals & Creatures (Beginning Sign Language Series) |
| 1998 | 978-0-931993-90-9 | Kathy Kifer | The Hobbit, A Teaching Guide |
| 1999 | 978-0-931993-92-3 | Mary Elizabeth Podhaizer | The Odyssey: A Teaching Guide (Discovering Literature Series, Challenging Level) |
| 1998 | 978-0-931993-93-0 | Jeanette Machoian | A Teaching Guide to the Outsiders (Discovering Literature) |
| 1999 | 978-0-931993-94-7 | '' | A Teaching Guide to Roll of Thunder, Hear My Cry (Discovering Literature) |
| 1998 | 978-0-931993-95-4 | S. Harold Collins | Braille for the Sighted (Beginning Braille) |
| 1999 | 978-0-931993-96-1 | Mary Elizabeth Podhaizer | Lord of the Flies: A Teaching Guide (Discovering Literature Series, Challenging Level) |
| 2000 | 978-0-931993-97-8 | Mary Elizabeth Podhaizer | The Giver: A Teaching Guide (Discovering Literature Series) |
| 1998 | 978-0-931993-98-5 | Jane Schneider | Signing at Church: For Adults and Young Adults (Beginning Sign Language Series) |
| '' | 978-0-931993-99-2 | Jane Schneider | Signing at Sunday School (Beginning Sign Language Series) |