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."

Includes fold-out maps.

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 -- Glossary.