Grantville, formerly in West Virginia in the 20th century, now in Germany in the 17th century, is the most unusual town in the world-and probably in any century. The mysterious cosmic phenomena which the former West Virginians call the "Ring of Fire" hurled the town back through time into the middle of the Thirty Years War. In spite of their advanced technology, the men and women of Grantville are greatly outnumbered and must deal carefully with the...