The following books are recommended for further reading in the chapter “The Coexistence Of God And Evil Is A Logical Contradiction”, in That’s Just Your Interpretation: Responding to Skeptics Who Challenge Your Faith, by Paul Copan.
Can A Good God Allow Evil? (R. Douglas Geivett)
“God, Evil, and Suffering” by Daniel Howard-Snyder in Reason For The Hope (ed., Michael Murray)
The Evidential Argument From Evil (Daniel Howard-Snyder)
God, Freedom, and Evil (Alvin Plantinga)
“The Magnitude, Duration, and Distribution of Evil” by Peter Van Inwagen in God, knowledge, and Mystery: Essays in Philosophical Theology.