Before Rusty left his kittypet home...

Before Bluestar ruled ThunderClan...

Before Crookedstar made his fateful promise...

The warrior Clans were born.

Find out how it all came to be in this brand-new arc that reveals the origins of the four Clans. Featuring a new cast of characters, a richly developed world, and a never-before-seen look at the history of the warrior cats, this prologue arc is perfect for existing fans and for those new to the Warriors world. With over thirteen million copies sold and each new title hitting the New York Times bestseller list, the Warriors series is a true phenomenon that will continue to take readers by storm.