Dostoevsky's Demons, probably the greatest novel ever inspired by a revolutionary conspiracy, was not the book that its author had intended to write. The story of how it came into being in its present form is rather a complicated one, involving Dostoevsky's own literary ambitions, the fact that he was living abroad, and the appearance in the Russian and German newspapers, which he read assiduously every day, of stories about an atrocious crime committed in his homeland by a small cell of revolutionaries.