Question: Joyce Carol Oates and Arthur Koestler, share which mutual industry occupation?
Sentence (from "Arthur Koestler: The Story of a Friendship"): As the author states in the Introduction, the book is not a biography of the subject but a series of recollections and anecdotes of a friendship spanning more than thirty years from 1952 up to the time of Koestler’s suicide in March 1983.
Relevant evidence: No