All the Paths of the Lord are Mercy and Truth, by Abram and Maria Hamm, is a 228 book sharing what it was like for Christians ministering in the former Soviet Union.
Where Christ is Still Tortured
The Torchlighters: The Perpetua Story
The Torchlighters: The Corrie Ten Boom Story
The Witnesses Trilogy: God With Us
In God's Underground
The Pastor's Wife