A heartfelt and wondrous debut about family, fear, and skateboarding, that Karen Russell calls "A bruiser of a tale . . . a death-defying coming-of-age story."

Will has never been outside, at least not since he can remember. And he has certainly never gotten to know anyone other than his mother, a fiercely loving yet wildly eccentric agoraphobe who drowns in panic at the thought of opening the front door. Their world is rich and loving, full of art, experiments, and music—but confined to their small house.