Ethan Miles and his cousin Danielle are average middle grade kids until that Friday in October when they meet two visitors from Pluto. Turns out Plutonians have been living on Earth for centuries and they can preserve minds. For years they've been filling little bottles with the preserved minds of the greatest humans in history. They bring them out one at a time and put them in alien bodies. That's what they do for Benjamin Franklin. They match him to a young person - that's Ethan - and give him three days to live in the modern world. That was the plan, but as Ethan and Danielle find out,...