A BEST BOOK OF THE YEAR (NPR, The Washington Post, Lit Hub, The Telegraph, Goodreads, Tor.com, them, and more)

A deeply strange and haunting novel in the best possible wayAn impressive and exciting debut novel that may leave you thinking about your own relationships in a new light. NPR

ShockingAchingly poeticSharp and beautiful as coral polypsArmfield exercises an exquisiteeven sadisticsense of suspense.” Ron Charles, The Washington Post

Leah is changed. A marine biologist, she left for a routine expedition months earlier, only this time her submarine sank to the sea floor. When she finally surfaces and returns home, her wife Miri knows that something is wrong. Barely eating and lost in her thoughts, Leah rotates between rooms in their apartment, running the taps morning and night. Whatever happened in that