"Dark and atmospheric, with palpably vivid details and complex characters harboring plenty of secrets" (Kimberly Belle, internationally bestselling author of The Marriage Lie ), this riveting and suspenseful thriller-by the author of the critically acclaimed Everything You Want Me to Be -follows the mysterious disappearance of a boy and his stunning return ten years later. There is a place in Minnesota with hundreds of miles of glacial lakes and untouched forests called the Boundary Waters. Ten years ago, a man and his son trekked into this wilderness and never returned. Search teams found their campsite ravaged by what looked like a bear. They were presumed dead until a decade later...the son reappears. Discovered while ransacking an outfitter store, he is violent and uncommunicative and is sent to a psychiatric facility. Maya Stark, the assistant language therapist, is charged with making a connection with the high-profile patient. No matter how hard she tries, he refuses to answer questions about his father or the last ten years of his life. But Maya, who was abandoned by her own mother, has secrets, too. And as she's drawn closer to this enigmatic boy who is no longer a boy, she'll risk everything to reunite him with his father who has disappeared from the known world. With breathless pacing and edge-of-your-seat twists and turns, " Leave No Trace is as thrilling as whitewater rapids and as dark as the Minnesotan wilderness itself" (Amy Gentry, internationally bestselling author of Good as Gone ).