At Daddy's on Saturdays — Linda Walvoord Girard

Although her parents' divorce causes her to feel anger, concern, and sadness, Katie discovers that she can keep a loving relationship with her father even though he lives apart from her.

Katie's daddy moves out of the house when he and her mommy get divorced. Katie is angry, sad, and most of all, afraid her daddy will never come back. But on Saturdays he's there. And Katie comes to understand that even though her parents can't live together anymore, they both still love her and will always be her mommy and daddy.