John Buchan 
The Thirty-Nine Steps (Diversion Classics) [EPUB ebook] 

Featuring an appendix of discussion questions, the Diversion Classics edition is ideal for use in book groups and classrooms.
When Richard Hannay encounters a mysterious stranger fearing for his life, he is drawn into a plot of political conspiracy. As Hannay works to uncover the perpetrator of a string of crimes, he must race against time to keep England’s military secrets safe. A pitch-perfect spy novel, THE THIRTY-NINE STEPS is essential reading for lovers of action, adventure, and suspense.