From Erin Hunter, #1 nationally bestselling author of the Warriors series, comes the fourth book in the action-packed Survivors animal fantasy series. Full of “wild and wonderful adventure” ( *Kirkus Reviews,* starred review), Survivors will thrill fans of Spirit Animals and Wings of Fire. 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—and encounter a terrifying new Pack. Also includes a sneak peek at *Survivors #5: The Endless Lake*!