Star Trek III Sourcebook Update
Role-playing game sourcebook about Star Trek III, intended for use with FASA's Star Trek: The Role Playing Game.

Summary
From the book jacket
Bring your STAR TREK role playing universe up to date with the official Star Fleet Sourcebook Update. It gives all the information necessary to play your games at the time of the movies.
This supplement contains a complete time line from the beginning of Earth's space history to the time of Star Trek III. Also included are detailed sections on the changes made since the time of the TV series in the governments of the Klingons, Romulans, Gorn, Orions, and Tholians. Sections on the UFP and Star Fleet Command, complete with photographs and illustrations, give the latest information on uniforms, insignia, equipment, sidearms, and shipboard systems. A starship recognition file gives pictures and data for the , the Bird of Prey and the other starships. The personnel file gives the updated statistics on your favourite characters form [sic] the movies.
In addition to all this, a complete adventure – Lost and Presumed Dead – is included so you can use all the new information.''''

Contents
 Officer's Orientation Briefing
 Star Trek Terminology
 Governments
 Klingon Empire
 Romulan Star Empire
 Gorn Alliance
 Orion Colonies
 Tholian Assembly
 United Federation of Planets
 Star Fleet Command
 Starship Recognition File
 Star Fleet Personnel File
 Adventure: Lost and Presumed Dead Weapons Chart
 Character Creation Short Form (Revised)

 Background information 
Inside, the book is called simply Star Fleet Sourcebook Update. The cover and the protective card sleeve read Star Trek III.
A follow-up book was the Star Trek IV Sourcebook Update.

Credits
 Starship statistics design: Forest G. Brown, David F. Tepool, & Guy W. McLimore, Jr.
 Lost and Presumed Dead'' adventure: Greg K. Poehlein
 Graphics and Layout: Dana Knutson, Jordan K. Weisman
 Typesetting: Karen Vander Mey
 Proofreading: Donna Ippolito

Characters 
 
Role-playing games