Katy tells Mrs. Bumbleberry she has nothing to do on spring break. Andie's friend, Sophie, is visiting and Katy thinks they are too busy to play with her. Mrs. B suggests Katy could play with Andi and Sophie. Mrs. B makes brownies to take over to Andi's house as a gift. Katy goes along to deliver the brownies. She meets Sophie, and Mrs. B offers to take the girls to Oakwood Park the next day. At the park the girls visit the butterfly house, feed the swans and ride the carousel. Katy realizes she likes Sophie and they become friends. Through the process Katy learns you can't judge people you never meet, and doing things together is more fun. This is the ninth book in the Mrs. Bumbleberry series.