There has always been, and will always be, the problem of surviving the experience that any trained expert can handle. when there hasn't been any first survivor to be an expert! When no one has ever gotten back to explain what happened....
What will the end of the Earth's lifespan look like? What will happen to the humans left on the planet when it fades into obsolescence? These are just a few of the profound questions at the center of science fiction master Poul Anderson's thought-provoking tale The Chapter Ends.
A hayseed Martian among big-planet slickers. of course he would get into trouble. But that was nothing compared to the trouble he would be in if he did not get into trouble!
Dueling as a means of settling disputes has been revived by the invention of the dueling machine, which allows two adversaries to have at each other in the imaginary world of their choosing, with no danger to either other than humiliation and the loss of the point in dispute, until the Kerak Worlds found a way to kill with the machine. Unless a young Star Watchman can solve the mystery, the warlike Kerak Worlds will gobble up the planets.
Why did everybody step off the ship in this strange valley and promptly drop dead? How could a well-equipped corps of tough spacemen become a field of rotting skeletons in this quiet world of peace and contentment? It was a mystery Peter and Sherri had to solve. If they could live long enough!