With this book, Bob Raczka takes us all on a little "world tour." But instead of traveling by plane or boat, the vehicle of choice is our imagination. We'll be making thirteen stops along the way. And although we won't see every fascinating corner of the world, we will see quite a wide range of scenery-and the really interesting part of this trip is that not only can we move about in space, but we can also travel through time. So join Bob Raczka and see the world.