The #1 New York Times bestseller!An unflinching, darkly funny, and deeply moving story of a boy, his seriously ill mother, and an unexpected monstrous visitor.At seven minutes past midnight, thirteen-year-old Conor wakes to find a monster outside his bedroom window. But it isn’t the monster Conor’s been expecting – he’s been expecting the one from his nightmare, the nightmare he’s had nearly every night since his mother started her treatments. The monster in his backyard