A Time Magazine Must-Read Book of 2020A Best Book of the Season: BuzzFeed * Bustle * San Francisco Chronicle A Best Book of the Year: NPR's Book Concierge * Washington Independent Review of Books “A fascinating and beautifully written love letter to water. I was enchanted by this book." —Rebecca Skloot, bestselling author of The Immortal Life of Henrietta LacksAn immersive, unforgettable, and eye-opening perspective on swimming—and on human behavior itself.   We swim in freez