Desk Copy A book furnished free for a faculty member when copies of that book have been ordered for use in a specific course. A complimentary copy previously sent should be considered a desk copy if adopted. Complimentary Copy A book sent to a faculty member for consideration toward course adoption. On-Approval Copy A book sent to a faculty member, accompanied by or followed by an invoice or bill seeking payment or return of the book within a specific period of time, for consideration toward purchase or course adoption Review Copy A book sent to a journal, newspaper, or other periodical to be used for the (eventual) writing of a review