All possible knowledge of a subject matter. / All possible means, both honest and dishonest

plural of book-keeper

Alternative spelling of bookkeeper

Alternative spelling of schoolbook

plural of boomerang child

A book containing line art for readers (usually children) to add color using crayons, colored pencils, markers, paint, or other artistic media.

(demographics) A child of a member of the post-World War II baby boom generation, born in the period extending approximately from the late 1970s or early 1980s to the mid-1990s.

Alternative form of booklore

Alternative form of booklore

Alternative form of book-learning