Stuart Ample and Eric Marshall have an unusual gift for listening to children, and for picking out the memorable thought and the unique turn of phrase. They compiled "Children's Letters to God," which has 1,110,000 copies in print. And in "Grandma, Grandpa and Me," they celebrate what kids have to say about their grandparents. "My grandma gave my mom a very beautiful ring and someday she is going to give it to me and someday I will give it to my daughter...