The Triumphant Church, from the writings of Richard Wurmbrand, John Piper, and Milton Martin, is a 110 page book that is an excellent tool for understanding the Persecuted Church around the world.
Sowing and the Heart
Hinds' Feet on High Places
Share Their Voice: Hannelie's Story
Paul's Epistles Vol. 1
Share Their Voice: Sarah's Story
Share Their Voice: Alex's Story