GIMP Bible, Paperback by Van Gumster, Jason; Shimonski, Robert, ISBN 0470523972, ISBN-13 9780470523971, Brand New, 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.