Adrianne Harun is an American writer of prose. Her debut novel, A Man Came Out of a Door in the Mountain (a book about "where evil comes from", according to the author [1] ), was published by Penguin in 2014. Claire Vaye Watkins called the book a "breathless, absorbing novel", [2] and the book received many other positive reviews, [3] [4] [5] one reviewer describing it as the "buzz book of the season". [6]