Provides background information about the history, characters, and places of significance to the warrior cats featured in the series Warriors, and Warriors, the new prophecy.

Thunder, Wind, River, Shadow, and Star: The clans. -- Territories: homes and hunting grounds -- Beyond the territories -- Ceremonies -- Prophecies and omens: foretelling the future -- Medicine: healing the Clans -- Cats outside the Clans -- Other animals: animals to hunt, fight, fear, and respect -- Mythology:LionClan, TigerClan, and LeopardClan.