A classic mature novel by Robert A. Heinlein, conceived by him at the beginning of his writing career; the idea was given by a similarly young Isaac Asimov, and Heinlein realized it almost half a century later, inspired by religious-philosophical satires by Voltaire and Mark Twain. So, meet Alex Hergensheimer. He arrived in Polynesia on the airship “Graf von Zeppellin” and travels between islands aboard the cruise ship “Konung Knut.” Having agreed to participate in a ritual of walking on fire, Alex didn’t burn or even get burned—he only temporarily lost consciousness. But why, when he woke up, do they all call him “Mr. Graham”? Why does the “Konung Knut” look completely different, and why is there not a single airship in this world?..