a book produced quickly and cheaply, typically a scissors-and-paste compilation of facts, photographs, etc., often published merely to take advantage of some current vogue, fad, etc.
See nonbook in American Heritage Dictionary 4
noun
A book having little or no literary merit or substance, often published to exploit a fad.
adjective
Of, relating to, or being something other than a book, such as microfilm or microfiche in a library.