Pop up discovery.

The bestselling, award-winning author of The Midnight Library offers his funniest, most devastating dark comedy yet, a “silly, sad, suspenseful, and soulful�

"Packed with pop-ups, flaps, and incredible facts" -- Cover.

THE INSTANT #1 NEW YORK TIMES BESTSELLER “Sparkling with mystery, humor and the uncanny, this is a fun read. But beneath its effervescent tone, more complex t