In the novel “The Mystery of Engineer Graves,” Yu. Tupitsyn addresses the topic of scientific discoveries of the 20th century. Atomic scientist William Graves, having created a bomb with enormous destructive power, threatens a monstrous explosion, demanding general and complete disarmament from nuclear powers. But is the catastrophe justified even in the name of punishment?

The plot of the novel “The Extraterrestrial” is connected with the mysterious theft of gold from a well-guarded bank and the subsequent search for the thief, mistaken for an alien.

The stories in the collection tell about adventures of future astronauts.