<b><i>NEW YORK TIMES </i>BESTSELLER • A <i>NEW YORKER </i>BEST BOOK OF THE YEAR • NOW IN DEVELOPMENT AS AN HBO LIMITED SERIES</b><br><b> </b><br><b>From the acclaimed author of <i>Gone Girl, </i>“a riveting tale of true horror by a writer who has all the gifts to pull it off” (<i>Chicago Tribune</i>)</b><br> <br><b>“Sensuous and chilling . . . a propulsive and twisty mystery.”—<i>Entertainment Weekly</i></b><br><br>Libby Day was seven when her mother and two sisters were murdered in “The Satan Sacrifice of Kinnakee, Kansas.” She survived—and famously testified that her fifteen-year-old brother, Ben, was the killer. Twenty-five years later, the Kill Club—a secret society obsessed with notorious crimes—locates Libby and pumps her for details. They hope to discover proof that may free Ben.<br><br>Libby hopes to turn a profit off her tragic history: She’ll reconnect with the players from that night and report her findings to the club—for a fee. As Libby’s search takes her from shabby Missouri strip clubs to abandoned Oklahoma tourist towns, the unimaginable truth emerges, and Libby finds herself right back where she started—on the run from a killer.