Argumento
Cover by Howard Porter and Drew Geraci. The JLA Sourcebook chronicles the past, present and future of the World's Greatest Super Hero Team and their most dangerous enemies. Inside, you will find: a history of the JLA from its inception to the current incarnation; the JLA bylaws, including what it takes to become a member of the team; descriptions of members of the first JLA team, the current JLA, and their heirs apparent, Young Justice; information on the allies of each of the JLA teams; a look at some of the greatest villains to plague the JLA; tours of each team's base and details on their favorite equipment; expanded and updated Manipulation power rules; guidelines for creating android characters; a discussion for Narrators on how to make adventures with super-hero heavyweights exciting and challenging; a new adventure spanning a half century and featuring the JLAs of multiple eras.