Discovering Mars: The Amazing Story of the Red Planet

Pretend you can go far, far back in time to about five billion years ago. Huge clouds of dust and gas are swirling around in space. Each cloud stretches across trillions of miles. As time goes by, the dust and gas pull closer together. The clouds shrink, but they are still huge. They are now millions of miles across. This book is filled with many wonderful color photos and the History of Mars.