The Thirty-Nine Steps Greenmantle Author:Buchan, John The Best Mysteries of all time. Two classic tales of nonstop cat-and-mouse suspense. The Thirty-Nine Steps and Greenmantle. When a mysterious American is murdered, Richard Hanay is falsely accused and goes on the run. Before the American died, he gave Hannay a top-secret message. Can Hannay deliver this critical information to the right peop... more »le in time?« less