The book explores the ethical and existential ramifications of life after death and artificial intelligence through the story of a scientist who creates three electronic simulations of his own personality. These simulations are designed to test theories of the afterlife and morality, but things take a dark turn when one of the simulations becomes sentient and starts affecting the real world, leading to a series of mysterious deaths. As the scientist struggles to control his creations and unravel the mystery, the novel delves into themes of consciousness, identity, and the implications of technological advancements on the human soul.

The 10854th greatest book of all time