Atlantis? Mu? Loch Ness? Easter Island? Herewith a leisurely compendium of excursions into the occult past, from Poe and Bulwer Lytton through Conan Doyle, Wells, Machen, Lovecraft, B. Traven, Sax Rohmer. More recently, there's Harry Harrison (a witty Stonehenge hypothesis) and Theodore Sturgeon.