This fascinating series examines some of the most influential documents in U.S. history, with each book providing in-depth information about a famous primary source document and including material abo
In science fiction, deflector shields protect ships, bases, and even planets from enemy attack. How could a protective space that absorbs energy from weapons be created? Scientists have some ideas, wh
In science fiction, energy blades are weapons or tools that look like glowing swords. How could one of these powerful devices work? Scientists have some ideas, which include using plasma. Discover the
"What is an atom made of? Why do ice cubes float in water? What is a buckyball? The visually stimulating 'Sci-Hi' books take learning science core curriculum to a whole new exciting level. Each title
