National Book Award Longlist New York Times Bestseller An Amazon Best Book of the Year From bestselling and award-winning author Sara Pennypacker comes a beautifully crafted, utterly captivating novel about the powerful bond between a boy and his fox. Pax is destined to become a classic that will be cherished for generations. Pax and Peter have been inseparable since Peter rescued him as a fox kit. But one day, the unimaginable happens: Peter's father enlists in the army and forces him to return the fox to the wild. At his grandfather's house, three hundred miles from home, Peter knows he is not where he belongs – with Pax. Despite the approaching war, he sets off, driven by love, loyalty, and grief, to be reunited with his fox. Meanwhile, Pax, who faithfully waits for his boy, embarks on his own adventures and discoveries.