Darkness at Noon
Darkness at Noon (Original title Sonnenfinsternis) is a dystopian novel by Arthur Koestler. The novel tells the story of Rubashov, a 1917 Revolutionary who is arrested and tried for treason by the Soviet government during the Moscow Show trials of 1938.
The novel vividly describes the horror of the Stalinist purges, and served as an inspiration for George Orwell's Nineteen Eighty-Four. Orwell also wrote an essay on the novel, titled "Arthur Koestler".