Here is a small list of Christian book recommendations.
All of these books I have purchased at some point from Amazon and they are grouped into various sections.Tweet
Mere Christianity by C.S. Lewis - Buy at Amazon
Baker Encyclopedia of Christian Apologetics - Buy at Amazon
Handbook of Catholic Apologetics by Peter Kreeft and Ronald Tacelli - Buy at Amazon
The Orthodox Church by Timothy Ware - Buy at Amazon
Christianity's Dangerous Idea: The Protestant Revolution by Alister McGrath - Buy at Amazon