From publisher blurb:
Whether you're a gamemaster looking for new challenges for your players, or a player who has a favorite hero to emulate, or a fan who wants to find out more about his favorite characters, this is the gaming supplement for you.
This LEAGUE OF CHAMPIONS SOURCEBOOK, produced in conjunction with Tiger Paw Press, contains everything you'll need to introduce the League of Champions into your favorite superhero role-playing game. This RPG sourcebook for 6th Edition Hero System rules includes background information, personality descriptions, power details, story ideas, and game stats for fully ten different members of the League of Champions, including:
THE HUNTSMAN
ICESTAR
FLARE
THE BLACK ENCHANTRESS
THE SENSATIONAL G-GIRL
NIGHTWIND
PSYCHE
ICICLE
SPARKPLUG
THE TIGRESS