Below you can find the Arthur koestler's novel about the moscow trials of the 1930s was called darkness at this time Jeopardy Words Answer. The answer to Arthur koestler's novel about the moscow trials of the 1930s was called darkness at this time has 4 letters. This clue belongs to the Authors category and is part of Jeopardy Word Level 172. If you scroll near the bottom you will find other clues and answers part of level 172