An exhilarating thriller set against a 250-mile foot race in the Sahara Desert, where more than one ultramarathoner will be running for their livesSeven years ago, Adri left the running world after a major scandal. She leveled an explosive, and as it turns out career-ending, accusation at one of the world’s most celebrated coaches—and then he died suddenly. Now, after years away from the limelight, she’s ready to race again. Adri is hungry for a challenge, and she’...