"New York Times bestselling author Mark Synnott has climbed with Alex Honnold. He's scaled Mt. Everest. But in 2022, he realized there was a dream he'd never realized-to sail the Northwest Passage in his own boat, a feat only four hundred or so sailors had ever accomplished-and in doing so, try to solve the mystery of what happened to legendary nineteenth-century explorer Sir John Franklin and his ships, HMS Erebus and Terror"-- Provided by publisher.