Synopses & Reviews
Bulldozers tear huge rocks from the ground. Tower cranes life heavy loads on bridges and in shipyards. Dig into Giant Machines to learn more about these and many other powerful tools!
About the Author
Seymour Simon the author of over 200 science books for children. More than half of his books have been named Outstanding Science Trade Books for Children by the National Science Teachers Association. He lives in Great Neck, New York.