3 . . . 2 . . . 1 . . . blast off! Visit an amazing spinning space hotel. Drive a rover around on a Moon base. Soar over Earth as a space tourist. These activities aren't just the stuff of science fiction. They're actually being planned! Created in close collaboration with the Smithsonian Institution, this book gives young readers an inspiring look at how scientists have learned from past achievements to plan for the future of space travel. Then they'll...