Authors: Patrick Volkerding,Kevin Reichard, and Eric Johnson
Publisher: MIS Press
Publication date: January 1996
ISBN: 1558284923
Price: 39.95 US
Comes with 2 CD-ROMs. Has a brief introduction to Tcl in the section on programming. CD-ROM has Tcl/Tk along with a lot of other tools on it. The CD-ROM was recently updated to include Slackware 3.2.