A textbook, a book designed to accompany a specific academic course, or one specified by the writers of the course to be read by its students.
A coursebook, a formal manual of instruction in a specific subject, especially one for use in schools or colleges.
Having the typical characteristics of some class of phenomenon, so that it might be included as an example in a textbook.
Of or pertaining to textbooks or their style, especially in being dry and pedagogical; textbooky, textbooklike.