Only You Can Save Mankind: Johnny Maxwell, Book 1

In this entertaining and thought-provoking adventure by Terry Pratchett, gamer Johnny is caught off guard when an alien fleet that he usually obliterates unexpectedly surrenders. Faced with the dilemma of how to handle this unusual turn in his game, he grapples with the implications of saving both mankind and the galactic horde. What starts as a routine gaming session challenges his understanding of war, peace, and the nature of reality.