Textbook
Part of speech: noun
Definition: A coursebook, a formal manual of instruction in a specific subject, especially one for use in schools or colleges.
Part of speech: adjective
Definition: Of or pertaining to textbooks or their style, especially in being dry and pedagogical; textbooky, textbooklike. Having the typical characteristics of some class of phenomenon.
Handbook
Part of speech: noun
Definition: A book of reference, mostly to be carried in the hand.