A New York Times Bestseller From the New York Times bestselling author of Five Total Strangers and "master of suspense" (BCCB), Natalie D. Richards, comes a pulse-pounding YA thriller about a girl who goes on a mysterious scavenger hunt, only to discover that someone knows her worst secret...and is out for blood. I know seven dirty secrets: One caused the fall. One did nothing. One saw it all. One...