The Zap Gun is a science fiction novel by Philip K. Dick that explores themes of war, technology, and the nature of reality through a satirical lens.

Set in a future where the Cold War has escalated into a bizarre arms race, the story follows a weapons designer who creates a weapon that can manipulate reality. As he navigates the complexities of his creation and the political landscape, he grapples with the implications of his work on humanity and the nature of existence.