Ace Books is known for publishing groundbreaking speculative novels that push the limits of imagination and redefine the way we see the world. Ace is home to some of the most influential novels in the science fiction and fantasy genre: Frank Herbert’s bestselling Dune series; Stranger in a Strange Land by Robert A. Heinlein; The Left Hand of Darkness by Ursula K. Le Guin; The Last Unicorn by Peter S. Beagle; and T. H. White’s classic Arthurian novel The Once and Future King. Ace publishes some of today’s biggest names in speculative fiction and is dedicated to discovering exciting new voices in Science Fiction, Fantasy, Romantasy, and Cozy Fantasy. Ace Books is part of the Berkley imprint.