Tortured For His Faith, by Haralan Popov, is a 146 page book that tells the story of a pastor that suffered thirteen years imprisonment for his faith.
The Torchlighters: The Jim Elliot Story
The Torchlighters: The John Bunyan Story
The Torchlighters: The Richard Wurmbrand Story
Where Christ is Still Tortured
Into the Den of Infidels
The Spiritual Battle for Cuba