The Doom Hacker's Guide

The Doom Hacker's Guide is a 299-page book written by Richard H. "Hank" Leukart, III, published by MIS:Press, and released on March 1, 1995. The book was packaged with a CD-ROM containing the following editing programs for the original Doom (versions 1.2 and 1.666), Doom II (versions 1.666, 1.7, and 1.7a), and the original Heretic (version 1.2); the included editing programs are not compatible with The Ultimate Doom, version 1.7, 1.7a, 1.8, or 1.9 of Doom, version 1.8 or 1.9 of Doom II, or Heretic: Shadow of the Serpent Riders: The included CD also contained various custom made DeHackEd files, as well as additional levels, and graphic and audio add-ons.
 * DeHackEd (version 2.2, DOS, multipurpose WAD editing tool)
 * DeuSF (version 3.1, DOS, graphic editing tool)
 * DeuTex (version 3.1, DOS, multipurpose WAD editing tool)
 * DoomCAD (versions 4.3 and 5.1, Windows, level editor)
 * Doom Editing Utilities (DEU) (version 5.21, DOS, level editor)
 * EdMap (version 1.30, DOS, level editor)
 * NewWADTool (version 1.3, DOS, multipurpose WAD editing tool)
 * WADED (version 1.81, DOS, level editor)
 * WinDEU (version 5.23, Windows, level editor)