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.
The Torchlighters: The William Booth Story
Religious Prisoners in the USSR
The Torchlighters: The Augustine Story
With a Dynamic Man of God
My Correspondence With Jesus
Share Their Voice: Sang-Chul's Story