GIMP Bible, Paperback by Van Gumster, Jason; Shimonski, Robert, ISBN 0470523972, ISBN-13 9780470523971, Like New Used, Free shipping in the US Shows readers best practices, valuable techniques, and helpful tips for getting the most of the GIMP, or GNU Image Manipulation Program, which is a free graphics editor that runs on Linux, Windows, or Macs and is used to process graphics and photographs.