Lights On Cotton Rock by David Litchfield

A little girl witnesses an alien spaceship landing at Cotton Rock near her house. She visits the spaceship and meets a young alien but is called home by her parents. She draws a picture of the alien she met and keeps returning to Cotton Rock as she grows up, in the hope that the UFO will come back. Eventually, after many years, shes got a son and a granddaughter of her own and shes starting to give up hope…