Merlin Trilogy : Paperback : HarperCollins Publishers Inc : 9780688003470 : 0688003478 : 18 Aug 2011 : Written over a period of ten years, New York Times bestselling author Mary Stewarts three acclaimed Arthurian novels stand together in one volume - the finest work of her distinguished career. With the success of her recent trade paperback reissues, this is the perfect opportunity to repackage her beloved hardcover omnibus containing The Crystal Cave, The Hollow Hills and The Last Enchantment.