“Mysterious, fascinating, and deeply moving—exploring the very nature of what it means to be human.”—ALEX MICHAELIDES, #1 New York Times bestselling author of The Silent Patient and The Maidens “You don’t so much sympathize with the main character as live inside his skin.”—DIANA GABALDON, #1 New York Times bestselling author of the Outlander series “Walks the fine line between page-turning thriller and smart sci-fi. Another killer read from Blake.”—ANDY WEIR, #1 New York Time