"Breakthrough" by Fritz Leiber is an American fantasy novel about a future society where technology makes incredible changes and controls people's lives. The book demonstrates the impact of science on human nature and observes how people adapt to new realities. The most impressive part of the story is the reflection of the future world, where human dreams and horrors are realized thanks to technology. "Breakthrough" is an exciting journey into a world where the line between reality and fantasy blurs, and the decisions made by the heroes will decide the fate of the entire world.