The Idiot is a Russian novel written by Fyodor Dostoevsky. It tells the story of Prince Myshkin, a kind-hearted and naive man who returns to Russia after spending several years in a Swiss sanatorium. The novel explores themes of love, innocence, and the complexities of human nature. Dostoevsky's psychological insights and philosophical musings make this book a literary masterpiece. The Idiot is a must-read for those interested in Russian literature and profound character studies.