*** INSTANT NATIONAL BESTSELLER * ** ** "Visceral and haunting" (New York Times Book Review) · "Hopeful" (Washington Post) · "Powerful" (Los Angeles Times) · "Thrilling" (TIME) · "Tantalizingly beautiful" (Elle) · "Suspenseful, atmospheric" (Vogue) · "Aching and poignant" (Guardian) · "Gripping" (The Economist)** Franny Stone has always been the kind of woman who is able to love but unable to stay. Leaving behind everything but her research gear, she arrives in Greenland with a singular purpose: to follow the last Arctic terns in the world on what might be their final migration to Antarctica. Franny talks her way onto a fishing boat, and she and the crew set sail, traveling ever