Are you after Christian Fiction or Teaching books?
My fav teaching books are:
Sacred Marriage by Gary Thomas - Great to see and understand marriage from God's perspective as most of the things we know about marriage is from the world
Disciplines of a Godly woman by Barbara Hughes - one of those books I believe framed my Christian walk
Leave Love Lead by Brian Houston - Amazing and full of Godly wisdom for your life
My fav Fiction:
Redeeming Love by Francine Rivers
The Mark of the Beast series by Francine Rivers (worth reading all 3)