Synonyms of textbook

1 Syllable
tome, book, clichéd
2 Syllables
spellers, handbook, workbook, faultless, kingfish, reader, primer, bullseye, codex, cookbook, schoolbook, speller, preprint
3 Syllables
hardcover, hardcovers, codices, tradebook, octavo, softcover
4 Syllables
archetypal, opuscule, enchiridion