This book is very good:
God's Problem: How the Bible Fails to Answer Our Most Important Question--Why We Suffer (Hardcover)by Bart D. Ehrman (Author)
1. God is omnipotent - all powerful.
2. God is a loving god.
3. Why are there mudslid and tsunami that causes so much suffering?
Is suffering God's intention? How can that be loving?
Is God not capable of stopping it? How can that be all powerful?
Why would God murder all ten of Job's children just to test his faith? Is that love?
Author was an evangelical Christain and at one point a priest. After 20 years of searching for an answer he becomes an agnostic.