Discover the origins of the warrior Clans in the second book of this thrilling Warriors prequel series from #1 nationally bestselling author Erin Hunter—now featuring fierce new art.

You will make things right. When the time comes, I know you will.

Tensions between the cats from the mountains are rising, and the once united group has split in two. Caught in the middle is a young cat named Thunder—who will soon be forced to decide between the bonds of loyalty and the ties of blood.