Island of Shadows - Erin Hunter

In the second Seekers arc from mega-bestseller Hunter, the three bears face new challenges as they begin their journey home and struggle to find their way through the wilderness with no one to guide them. Original. The journey home begins. . . . Toklo, Kallik, and Lusa survived the perilous mission that brought them together. Now, after their long, harrowing journey, the bears are eager to find their way home and share everything they've learned with the rest of their kinds. But the path they travel is treacherous, and the strangers they meet could jeopardize everything the Seekers have fought for.