Looking for understanding and adventure, two giants of English literature-the fictional Jack Lewis and Mark Twain-meet as if by accident to begin an exploration ranging through Great Creation and the imagined supernatural. They experience aspects of the astronomical, of terrestrial geography and biology, and of Western cultural history. Two others take part in their conversation, Renaissance astronomer Johannes Kepler and Scots romanticist George MacDonald. By the author of The God's Cycle, Gott'im's Monster, and Five Points Akropolis. This edition has an author's introduction.