Grover Sleeps Over Author:Elizabeth Winthrop, Maggie Swanson (Illustrator) After receiving an invitation to spend the night at Betty Lou's house, Grover is apprehensive about his first night away from home, and he questions whether Betty Lou has a night light and whether she will tell scary ghost stories. Grover's Mommy reassures him that he will feel at home at the sleepover. Betty Lou and Grover have a great time pla... more »ying, and at bedtime they realize that neither of them knows any ghost stories anyway. Upon returning home the next day, Grover is already planning the next sleepover.« less