|
The Rocky Mountains
|
|
7.4 |
|
|
|
The Role of Religion in the Early Islamic World
|
|
6.7 |
|
|
|
The Role of Water on Earth
|
|
|
|
|
|
The Sahara Desert
|
|
7.2 |
|
|
|
The Salem Witch Trials
|
|
5.5 |
|
|
|
The Science of Catastrophe (4 titles)
|
|
|
|
|
|
The Science of Computers
|
|
6.3 |
|
|
|
The Science of Light Waves
|
|
|
|
|
|
The Science of Nutrition (6 titles)
|
|
|
|
|
|
The Science of Sound Waves
|
|
|
|
|
|
The Scout
|
|
|
|
|
|
The Secret War
|
|
5.3 |
|
|
|
The Shape of Good Nutrition: The Food Pyramid
|
|
5.1 |
|
|
|
The Sleigh
|
|
|
|
|
|
The Solar System
|
|
|
|
|
|
The Solar System, Meteors, and Comets
|
|
6.4 |
|
|
|
The Soviet War in Afghanistan
|
|
5.1 |
|
|
|
The Space Race
|
|
|
|
|
|
The Space Shuttle
|
|
|
|
|
|
The Stars: Glowing Spheres in the Sky
|
|
5.4 |
|
|
|
The St. Lawrence: River Route to the Great Lakes
|
|
6.2 |
|
|
|
The Storm
|
|
|
|
|
|
The Sun
|
|
6.0 |
|
|
|
The Sun: Our local star
|
|
5.7 |
|
|
Canada
USA
