The instant Sunday Times bestseller, Sea of Tranquility by Emily St. John Mandel is a story of parallel worlds and possibilities that plays with the very line along which time should run. 'So wise, so graceful, so rich' - Naomi Alderman, author of The Power 'Ingenious' - Guardian Lives separated by time and space have collided, and an exiled Englishman, a writer trapped far from home, and a girl destined to die too young, have each glimpsed a world that is not their own. Travelling through the centuries, between colonies on the moon and an ever-changing Earth, together their lives will solve a mystery that will make you question everything you thought you knew to be true. From the award-winning author of Station Eleven. A Best Book of the Year - Guardian, Oprah Daily, Barack Obama 'Brilliant and fiercely original' - Observer 'One of her finest novels' - New York Times 'Transcendent' - Wall Street Journal