Here are three links I think will help anyone in that situation:
= Eight Points of Encouragement for Those Who Are Doubting Their Faith
"8. Realize that doubt is not a bad thing.Click through for seven more important thoughts.
Often, doubt is the first sign of true or deep faith. It is only through doubt and an acknowledgement that we could be wrong that we come to true convictions about what we believe. God is not scared or angry about people’s doubts when they are truly searching for the truth. He challenges us over and over again in the Scriptures to be wise and stop being naive. If our faith is true, it can handle doubts and skepticism. I have been through many periods of doubt and every time my belief came out stronger. I believe that yours can to."
= Saved by an Atheist
A story of God using a most unlikely source to bring a wandering child home.
= Dealing With Doubt
The complete text of Gary Habermas' book online and free.