With wonderful new illustrations by Peter Bailey, this incredibly funny and touching story by the multi-award-winning Philip Pullman is perfect for readers of all ages. One night, during a terrible storm, a boy named Jack takes refuge in a shed. The next morning, he is puzzled when he finds a hedgehog with a radish head talking to him. For a moment, he thinks he is imagining it. But he is not imagining; the hedgehog has been struck by lightning in such a way as to fully come to life. Jack becomes the hedgehog's personal servant, and together they decide to explore the world. It is a journey neither of them could ever have imagined, full of adventure - and it will change both of them in ways they never expected...