New York Times Editors' Choice * Los Angeles Times Best Crime Novels of Winter 2022 * Reader's Digest Best Fiction Books of 2022 From the author of The River at Night and Into the Jungle comes a harrowing new thriller set in the unforgiving landscape of the Arctic Circle, as a brilliant linguist struggling to understand the apparent suicide of her twin brother ventures hundreds of miles north to try to communicate with a young girl who has been thawed from the ice alive. Valerie "Val" Chesterfield is a linguist trained in the most esoteric of disciplines: dead Nordic languages. Despite her successful career, she leads a sheltered life and languishes in the shadow of her twin brother, Andy, an accomplished climate scientist stationed on a remote island off Greenland's barren coast. But Andy is gone: a victim of suicide, having willfully ventured unprotected into 50 degree below zero weather. Val is inconsolable-and disbelieving. She suspects foul play. When Wyatt, Andy's fellow researcher in the Arctic, ...