New territory brings new troubles for the fierce cats of the warrior Clans, and former allies are acting strangely hostile. As divisions between the Clans grow deeper, Firestar's daughters face troubling decisions. The choices they make now could affect ThunderClan for generations to come...and with an unexpected enemy preparing to attack, their courage and strength will be needed more than ever if the Clan is to survive.

"With an impostor leading ThunderClan, threatening to exile any cats who challenge him, a small but growing group of cats must find a way to expose the truth and return ThunderClan's rightful leader-before the tensions among the Clans erupt into war"--

When fear reigns supreme, only hope can save the Clans. The impostor's reign of terror has brought the Clans to the brink of destruction, and now, every warrior--living and dead--must unite to defeat him before he delivers his final blow. To ensure their future and protect their past, StarClan, the Dark Forest, and all five Clans must band together to turn back the tide of darkness in a battle that will decide the fate of every warrior who has ever...