| Spectrum Math, Grade 7 (McGraw-Hill Learning | | |
| Spectrum Reading, Grade 6 (McGraw-Hill Learning | | |
| Spectrum Spelling, Grade 6 (McGraw-Hill Learning | | |
| "Spectrum Language Arts, Grade 3 (Spectrum | | |
| Spectrum Language Arts, Grade 6 (Spectrum | | |
| Spectrum Guide to India (Spectrum Guides) | | |
| Spectrum Guide to Maldives (Spectrum Guides) | | |
| Spectrum Guide to Ethiopia (The Spectrum Guides | | |
| Spectrum Test Prep: Grade 1 : Test Preparation | | |
| Spectrum Math, Grade 6 (McGraw-Hill Learning | | |
| Spectrum Phonics, Grade 3 (McGraw-Hill Learning | | |
| Spectrum Numbers and Counting, Preschool (Little | | |
| Spectrum Letters and Sounds, Preschool (Little | | |
| Spectrum Beginning Writing: Preschool (featuring | | |
| Spectrum Beginning Phonics, Preschool (Little | | |
| Spectrum Reading, Grade 1 (Spectrum (McGraw-Hill)) | | |
| Spectrum 13: The Best in Contemporary Fantastic | | |
| Spectrum 18: The Best in Contemporary Fantastic | | |
| Spectrum 18: The Best in Contemporary Fantastic | | |
| Spectrum 19: The Best in Contemporary Fantastic | | |
