From the #1 bestselling author of The Fault in Our StarsWinner of the Edgar Award for Best Young Adult MysteryNew York Times bestsellerUSA Today bestsellerPublishers Weekly bestseller When Margo Roth Spiegelman beckons Quentin Jacobsen in the middle of the night—dressed like a ninja and plotting an ingenious campaign of revenge—he follows her. Margo’s always planned extravagantly, and, until now, …