Ellie's grandpa Melvin is a world-renowned scientist . . . in the body of a fourteen-year-old boy. Ellie is so happy to have him around. When he and Ellie team up for the science fair, no one realizes just how groundbreaking their experiment will be. But is the key to eternal life really the key to happiness? Sometimes even the most careful experiments yield unexpected--and wonderful--results. sakriti opis