This is the third book in Kahn’s New World trilogy, but the hero Joshua doesn’t know about the post-apocalyptic fantasy adventures of World Enough, and Time (Book I) and Time’s Dark Laughter (Book II). Could this be a prequel? Well, sort of. Time is cyclic and a previous version of Joshua has left him a message that leads Joshua of our world, wife of our world, and millionaire of our world to a lost city in the Amazon where the people think Joshua is their god arisen. Oh, and there are tunnels to different times and a circuitous but definite, supramundane possibility that the entire cyclical universe is going to end (or maybe never even exist in the first place).

The 2014 release of the book includes new material.