Believe in the unexpected with this hilarious, heartwarming, and acclaimed sequel to the New York Times bestseller The Fourteenth Goldfish! Ellie's grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. His feet stink, and he eats everything in the refrigerator--and Ellie is so happy to have him around. Grandpa may not exactly fit in at middle school, but he certainly keeps things interesting. When he and Ellie...