A Classic Novel of Adventure in Time and in Alternate Worlds by a Best-Selling Master of Science Fiction—Plus Stories Set in the Same Universe by David Weber, Harry Turtledove, Walter Jon Williams, John Maddox Roberts, Jane Lindskold and More Top Writers. Mike Gabrieli's brother Tom has always had one talent: getting into trouble. But this time, Tom has disappeared after mysteriously gaining possession of a priceless Aztec artifact. Mike sets out to find Tom, never suspecting that he is about to be shuttled back and forth in time, and between alternate universes. The descendants of the Incas have a plan to keep Pizarro and his conquistidors from overthrowing their ancestors’ empire.