In this seventy-five-page novella from the world of Erin Hunter's #1 nationally bestselling Warriors series, discover the story behind Tigerclaw's rise to power as leader of ShadowClan. Cast out of ThunderClan as a traitor, Tigerclaw will not rest until he has his revenge on Bluestar, Fireheart, and the rest of his former Clanmates. But first he must become Tigerstar of ShadowClan.... Readers will be thrilled at this look into the ruthless heart of one of the most infamous cats in the Warriors series.