Abby in Wonderland (The Baby-Sitters Club #121‪)‬

Abby loves her family's visit to Grandpa Morris and Gram Elsie's summer house. Staying there has always meant extra fun and a special closeness with her grandparents. This summer, though, Gram Elsie doesn't seem to be herself. She tires easily, even when she and Abby are enjoying work on Gram and Grandpa's big Alice in Wonderland party. Abby's afraid something's wrong with Gram Elsie. If she's right, Abby's world may become as topsy-turvy as Alice's...