| The Sleigh |
|
|
|
|
| The Solar System |
NEW
|
|
|
|
| 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 |
|
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| The Storm |
NEW
|
|
|
|
| The Sun |
|
6.0 |
|
|
| The Sun: Our local star |
|
5.7 |
|
|
| The Surprise Party |
|
3.5 |
|
|
| The Three Billy Goats Gruff (Las tres cabras macho y Gruff) Bilingual Eng/Spa |
|
|
|
|
| The Three Little Pigs (Los tres cochinitos) Bilingual Eng/Spa |
|
|
|
|
| The Tigris and Euphrates: Rivers of the Fertile Crescent |
|
6.9 |
|
|
| The Tortoise and the Hare |
NEW
|
|
|
|
| The Underground Railroad |
|
6.9 |
|
|
| The United States Constitution |
NEW
|
|
|
|
| The United States in World War I: America's Entry Ensures Victory |
|
6.1 |
|
|
| The Universe and Its Stars |
NEW
|
|
|
|
| The Universe, Black Holes, and the Big Bang |
|
6.5 |
|
|
| The Urals |
|
6.6 |
|
|
| The Victorian Home |
|
5.8 |
|
|
| The Vietnam War |
|
5.4 |
|
|
Canada
USA
