'Holds up a mirror to a pioneering explorer of the deep seas' Financial Times 'Full of fascinating technology, novel marine discoveries – and unusual scientists' New Scientist 'One of the best things I've read in years' Martin MacInnes 'Hypnotic . . . beautifully written' New York Times 'A love letter to the ocean' Waterstones ____________ 11 June, 1930. On a ship floating near Nonsuch Island, a curious steel ball is lowered 3,000 feet into the sea. Crumpled inside, the famed zoologist William Beebe gazes out of the thick quartz windows, watching luminous marine life and never-before-seen creatures flit out of the inky darkness. A deep dive into Beebe's eyewitness accounts of underwater exploration, The Bathysphere Book blends research and storytelling, uncovering a magical world where ghostly glowing organisms test the limits of human understanding.