The Last Evolution :

The Last Evolution by John W. Campbell, Jr. is a visionary science fiction classic that explores the profound future of humanity and artificial intelligence. Set in a world where machines have surpassed their creators, this thought-provoking novella examines the evolution of consciousness, the decline of mankind, and the rise of intelligent machines as Earth's final guardians. As alien invaders threaten extinction, the machines confront the ultimate challenge—not just to defend humanity, but to become the next step in evolution. A must-read for fans of philosophical sci-fi and classic futurism.