The Answer to the Atheist's Handbook, by Richard Wurmbrand, is a 192 page book conceived while in solitary confinement, where the author presents his case for belief in God.
The Torchlighters: The Perpetua Story
In God's Underground
God's Missiles Over Cuba
Share Their Voice: Shafia's Story
I Found God in Soviet Russia
The Torchlighters: The Martin Luther Story