The year is Fifteen Billion and Seventy-three, and Theodore Pine Four â teenager, TimeJumper, legend â is the biggest celebrity on the Two Planets. Theo knows there's only one Rule when you TimeJump: Don't Touch Anything. That Rule applies whether you're Jumping to the Big Bang or to the day pizza was invented. But Theo's been spending a lot of time with Quincy Carter One, the Cheeo o…