The Forgotten Warrior (Warriors: Omen of the Stars #5)
by Erin Hunter
The fifth book in this fourth series, Warriors: Omen of the Stars #5: The Forgotten Warrior, brings more adventure, intrigue, and thrilling battles to the epic world of the warrior Clans.
A divided StarClan has driven a deep rift between the warrior Clans, and the spirits of the Dark Forest are gaining strength. Now the warrior cats must decide whose word they can trust—before it's too late.