Knowledge of the Holy - A. W. Tozer
Faithfully Different - Natasha Crain
Talking With Your Kids About Jesus - Natasha Crain
Fault Lines - Voddie Baucham
Letter To The American Church - Eric Metaxas
Another Gospel - Alisa Childers
That Hideous Strength - C. S. Lewis
https://a.co/d/frGmMnK - This is fiction but along the lines of 1984 or Animal Farm except from a Christian, and Lewis nailed it.