| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| School Zone - First Grade Scholar Workbook - 64 Pages, Ages 5 to 7, Grade 1, Vowels, Consonants, Addition and Subtraction, Patterns, Sequence, and More | 978-0-88743-492-1 (0-88743-492-4) | 2009 | School Zone · Joan Hoffman |
| School Zone - First Grade Super Scholar Workbook - 128 Pages, Ages 5 to 7, 1st Grade, Alphabetizing, Phonics, Rhyming, Sentence Structure, and More | 978-1-58947-009-5 (1-58947-009-5) | 2009 | School Zone · Joan Hoffman |
| School Zone - Third Grade Scholar Workbook, Ages 7 and Up, Language Arts, Math, Science, Social Studies, and More | 978-1-58947-458-1 (1-58947-458-9) | 2012 | School Zone · Joan Hoffman |