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.
Paul's Epistles Vol. 1
Hinds' Feet on High Places
Hymnal
If That Were Christ
Share Their Voice: Liena's Story
Share Their Voice: Suta's Story