This is the real deal—a middle-grade novel with genuine literary chops that doesn't shy away from hard truths about love, loss, and loyalty. Pennypacker's dual narrative (boy and fox) is beautifully executed, and the emotional weight is substantial without being manipulative.

It's heavy. War looms, families fracture, and both Peter and Pax face real danger and grief. You will cry. Your kid will cry. But it's the kind of crying that comes from deep empathy and beautiful storytelling, not cheap tricks.

The fox perspective alone makes this worth reading—Pennypacker writes Pax's POV with such authenticity that kids will never look at animals the same way. It's enriching in the best sense: builds empathy, tackles complex emotions, and sticks with you.

Not for every kid—sensitive readers or those who struggle with sad stories should skip it. But for emotionally mature 9-12 year olds who can handle depth? This is exactly the kind of book that shapes how they see the world.