The bestselling, award-winning author of The Radleys is back with his funniest, most devastating dark comedy yet, a "silly, sad, suspenseful, and soulful" (Philadelphia Inquirer) novel that's "full of heart" (Entertainment Weekly).

When an extra-terrestrial visitor arrives on Earth, his first impressions of the human species are less than positive. Taking the form of Professor Andrew Martin, a prominent mathematician at Cambridge University, the visitor is eager to complete the gruesome task assigned him and hurry home to his own utopian planet, where everyone is...