THE SCIENCE FANTASY CLASSIC! Out of print for more than a quarter of a century! An American pilot unleashes Ragnarok. He flew over the rainbow — but not to Oz! 'Memorable!' The Encyclopedia of Science Fiction. The author of The Star Kings returns! In A Yank at Valhalla, the author's euphonious protagonist, a war-weary aircraft pilot on a scientific expedition in the Artic, helps discover a strangely shaped gold cylinder covered with runic symbols. Flying it back to the mainland he soon finds his plane is being drawn northward by an irresistible force. When he spots a vast chasm in the earth spanned only by a shimmering bridge of rainbow hues, with a noble castle rising on the far side, and a golden-haired Valkyrie on a flying horse being pursued by hideous giants, our hero realizes he...