Do Androids Dream of Electric Sheep? is a science fiction novel by Philip K. Dick. Set in a post-apocalyptic world where most animals have become extinct, the story follows a bounty hunter named Rick Deckard who is tasked with hunting down rogue androids. The book explores themes of empathy, identity, and what it means to be human. It raises questions about the nature of consciousness and the blurred lines between man and machine. Dick's novel has been highly influential in the genre and was the basis for the film Blade Runner.