Garrison the gym teacher dispatched the class to either take a walk or play floor hockey—bleh—Emma strode along the hedged-in path past the tennis courts toward the empty running track. The afternoon was breezy but warm, smelling faintly of ground coffee beans from the cafeteria’s espresso bar. Bits of dried grass turned tumbleweeds blew across the eight yellow-outlined lanes and nestled in the long jump pit. Red-and-white-striped hurdles were stacked neatly in the middle of the field, and an abandoned gray sweatshirt lay next to them, along with a half-drained bottle of Gatorade. The only sounds were the crows cawing in the far-off trees. Emma pulled out Sutton’s iPhone and composed a text to Madeline: SPA AFTER TENNIS PRACTICE? She hit SEND. Emma had been dying to talk to Madeline alone ever since her strange encounter with Charlotte on the trail on Saturday, but Madeline had been at a ballet workshop in Phoenix all weekend. And Emma had just found out that Charlotte had a doctor’s appointment after tennis—"the gynecologist,”