A new adventure begins in Erin Hunter's #1 bestselling Warriors series

For many moons, ThunderClan, ShadowClan, RiverClan, and WindClan have lived in peace in their territories around the lake. But now they must decipher a mysterious prophecy--a message that will send one young medicine cat apprentice on a quest to determine the fate of all the warrior Clans.

Full of epic adventure and thrilling intrigue, the beginning of this fifth Warriors series is the perfect introduction for readers new to the Warriors world. And for dedicated fans, it's a long-awaited return to the era of Bramblestar's ThunderClan, after the events of Omen of the Stars.

Embrace what you find in the shadows, for only they can clear the sky.

The warrior cats have enjoyed many moons of peace and prosperity--but a new darkness approaches, and one young apprentice must go on a dangerous quest that will determine the fate of all the Clans.