A young woman searches for the truth about her sister, who boarded a ship headed to the frozen Arctic and never returned.

"Lizzie Pook is a master of suspense. The story of one sister's love and determination to avenge her sister's death, is an unforgettable, atmospheric thrill ride." —Adriana Trigiani, bestselling author of The Good Left Undone
Twenty-year-old Constance Horton has run away from her life in Victorian London, disguising herself as a boy to board the Makepeace, an expedition vessel bound for the icy and unexplored Northwest Passage of the Arctic. She struggles to keep her real identity a secret on the ship, a feat that only grows more difficult when facing off with the constant dangers of the icy North.

Even more dangerous than the cold, the storms, and the hunger, are some of the men aboard—including the ship's scientist Edison Stowe. He seems to be watching Constance, and she knows that his...