"Mommy, where's my daddy?" Many mothers find themselves facing that question and having to explain why someone their children loves is no longer in their lives. Sometimes it's a permanent departure while in others, the separation is temporary.

In author Ava Matthews' Abba, Father, Daddy, Jr. naturally wants to know why his father is suddenly not in his life. Many children are growing up in homes without fathers, and Matthews' true-to-life storyline helps express the feelings many of those children experience. Jr.'s mother takes the opportunity to talk to him about God, the...