The second book in the epic, action-packed second Survivors series from Erin Hunter, #1 nationally bestselling author of WarriorsThe Survivors series is full of "wild and wonderful adventure" (Kirkus Reviews, starred review) that will thrill fans of Spirit Animals and Wings of Fire.Darkness has struck at the heart of the Wild Pack. Whisper is dead--and Storm is certain that his wounds could only have been inflicted by another dog. Lucky and her Packmates are reluctant to believe her, but Storm is determined to face the truth: could there be a traitor in their midst?