The process of combining four basic colors to create a printed color picture or colors composed from the basic four colors.

A Format

Format of mass market paperbacks, most commonly with a trimmed page size of 178 x 111 mm (unsewn).


A transparent sheet placed over artwork allowing the artist to write instructions or indicate where second colour is to be placed. (see overlay)


1) Recognition or honor given to people who have influenced the book being published or who have made a difference in the life of the author. 2) Section of a book containing such recognition.

Acquiring Editor

A person within a publishing house whose primary function is to identify and negotiate to acquire new titles for publication.


Supplementary material additional to the main body of a book and printed separately at the start or end of the text.

Adobe Digital Editions

free application for PC and Mac computers in which you can read and manage epub and pdf ebooks, either unprotected or with Adobe DRM

Adobe DRM

(Adept) most common DRM system for epub and pdf files. Used, among others, by Barnes & Noble, Kobo and Sony ebookstores


The non-returnable payment to authors by publishers against which the royalty earnings are offset.

Advance Reading Copy

A preview or early review copy of a book that is usually sent to book buyers, reviewers, booksellers, book clubs, and/or publisher sales representatives before the book is published. It could be in a different format, uncorrected, not bound, and/or have a different cover design than the publication issue. The typical publishing process is proof, advance reading copy, and publication.

Advanced Copy

A copy for booksellers and reviewers, either bound in paperwraps or a trade edition with a review slip laid in.


A publishing professional who shepherds books and authors through the publication process. An agent will submit a book project to editors, negotiate advances and contracts, follow-up on payments, and more generally serve as a creative and business adviser to an author (and much much more). An agent is the author’s advocate.


A mechanical painting tool producing an adjustable spray of paint driven by compressed air. Used in illustration design and photographic retouching.


To line up typeset or other graphic material as specified, using a base or vertical line as the reference point.