"The Klingons: Star Fleet Intelligence & Game Operation Manual" is a vintage 2-book set published by FASA Corporation in 1987. The books provide detailed information about the Klingon Empire, including their political and economic structure, as well as character generation rules for players with the Klingon race. The Game Operations Manual presents the truth about the Klingon Empire and the Star Fleet's relationship with them, offering a comprehensive guide for game masters and players interested in incorporating the Klingons into their Star Trek role-playing games. This set is a valuable resource for fans of the Klingon race in the Star Trek universe.