Amazon.com description: Product Description: The PSI corps are a shady organisation within the Babylon 5 universe, generally acting with hostile intent to the good intentions of many characters. This lavishly detailed sourcebook provides a wealth of information on this sinister group, allowing players and games masters to make full use of the incredible abilities and resources that exist, whether it is for the players to take the role of members of a PSI corps investigative branch, or simply as a tool to thwart their own goals and ideals. As with all of the Babylon 5 books, The PSI Corps features original screen shots and frames from the hit series. Written by nominated author Gareth Hanrahan (OGL Horror, OGL Wild West), The Psi Corps is destined to grace any Babylon 5 player's collection and is sure to be an extremely popular addition to this best selling range.