From bestselling and award-winning author Sara Pennypacker comes the long-awaited sequel to Pax; gorgeously crafted, utterly compelling with stunning illustrations by award-winning author and illustrator Jon Klassen. It's been a year since Peter and his pet fox, Pax, have seen each other. Once inseparable, they now lead very different lives.

Pax must protect his litter of kits in a dangerous world. Meanwhile Peter, orphaned after the war, has left his adopted home and joined the Water Warriors, a group determined to heal the land from the scars of the war. When one of Pax's kits falls desperately ill, he turns to the one human he knows he can trust.

And no matter how hard Peter tries to harden his broken heart, love keeps finding a way in. Now both boy and fox find themselves on journeys toward home, healing - and each other. A breathtaking novel about chosen families and the healing power of love.