Longlisted for the Walter Scott Prize for Historical Fiction 2017.'Ed O'Loughlin is a skilled cartographer of both the Arctic and the human heart. What a magnificent novel' Ron Rash'A brilliant paean to the obsessions of the polar explorers . ., . stupendously good' Australian'Vastly entertaining' Sunday TimesFROM BOOKER-LONGLISTED ED O'LOUGHLIN: THE PERFECT NOVEL FOR FANS OF AMY SACKVILLE'S THE STILL POINT AND FRANCIS SPUFFORD'S I MAY BE SOME TIME.It begins with a chance encounter at the top of the world.Fay Morgan and Nelson Nilsson have each arrived in Inuvik, Canada - 120 miles north of the Arctic Circle - searching for answers about a family member: Nelson for his estranged older brother, Fay for her disappeared grandfather. They soon learn that these two men have an unexpected link - a hidden share in one of the greatest enduring mysteries of polar exploration.