In I’m Glad You Asked, Kenneth Boa & Larry Moody recommend the following books on the topic of “Is There Really a God”.
Oliver R. Barclay, Reasons for Faith
Colin Chapman, Christianity on Trial
William Lane Carig, The Existence of God an dthe Beginning of the Universe
Arlie J. Hoover, The Case For Christian Theism
R.C. Sproul, If There Is A God, Why Are There Atheists?
R.C. Sproul, Objections Answered
More Books of Interest