Erin Hunter, the #1 nationally bestselling author of the Warriors series, is back with book four in the New York Times bestselling Survivors series about a dog named Lucky. This thrilling animal fantasy series was praised by Kirkus as "wild and wonderful adventure" in a starred review. It will be welcomed by all fans of epic animal fantasy adventure.Lucky and Alpha have reached a shaky truce, but tensions within the newly united Pack are still running high. As the dogs search for a home far away from the Fierce Dog camp, they discover that no territory is truly safe when they encounter a terrifying new Pack.