Volume IV in the award winning Meridian Series Time Travel novels by John Schettler. Paul insists that Kelly has survived, and is determined to bring him safely home. Only now is the true meaning of the stela unearthed at Rosetta in Volume III: Touchstone made apparent—a grand scheme to work a catastrophic transformation of the Meridians, so dramatic and profound in its effect that the disaster at Palma was only a precursor. All of Western history is placed on the Anvil of Fate as the project team struggles to reverse the defeat of Charles Martel at the Battle of Tours in an intricate three part time mission to the early 8th Century