What is the title of Philip K Dick's novel that was adapted into a film starring Harrison Ford?

The title of Philip K. Dick's novel that was adapted into a film starring Harrison Ford is "Do Androids Dream of Electric Sheep?". This novel, published in 1968, serves as the inspiration for the 1982 film "Blade Runner," in which Ford plays the lead role of Rick Deckard. The story explores themes of humanity, empathy, and the complexities of artificial intelligence, making it a significant work in both science fiction literature and cinema. The narrative follows Deckard as he hunts down rogue androids, raising questions about what it means to be human.

The other options, while notable works in the science fiction genre, do not relate to Harrison Ford's filmography in this context. "Fahrenheit 451," written by Ray Bradbury, centers on the themes of censorship and the power of literature, but it was not adapted into a film featuring Ford. "The Man in the High Castle" is a speculative novel about an alternate history, which has been adapted for television, not a film starring Ford. "A Scanner Darkly," another of Dick's works, was indeed turned into a film, but it featured Keanu Reeves as the main character, not Harrison Ford. Thus, "Do Androids Dream of Electric Sheep