Believe in the possible ... with this brilliantly quirky, thought-provoking novel from New York Times bestseller, three-time Newbery Honor winner Jennifer L. Holm Galileo. Newton. Salk. Oppenheimer. Science can change the world ... but can it go too far' Eleven-year-old Ellie has never liked change. She misses fifth grade. She misses her old best friend. She even misses her dearly departed goldfish. Then one day a strange boy shows up. He's bossy. He's cranky. And weirdly enough ... he looks a lot like Ellie's grandfather, a scientist who's always been slightly obsessed with immortality. Could this pimply boy really be Grandpa Melvin' Has he finally found the secret to eternal youth' With a lighthearted touch and plenty of humor, Jennifer Holm celebrates the wonder of science and explores fascinating questions about life and death, family and friendship, immortality ... and possibility.