3

All About History

3

Zhen Learns About Inflation

3

Hank Learns About a Bank

3

Asteroids

3

Cinco de Mayo

2

Spark Gets a Time-Out!

3

Nyaminyami The Spirit of the River God

3

Genghis Khan

3

Gulfs of the World

4

Jewels, Gemstones, and Birthstones

4

Early Native Americans

4

Maddy's Kansas Diary

3

Delilah Saves the Village of Lumpidoo

3

Team Sports

3

Pressure

4

Maddy's North Carolina Diary

3

The Mystery of the Fairy Circles

3

Jupiter

4

The Parrot's Sanctuary

2

Treeless Plains! Steppe

2

The Man From Japan Who Loved His Van

2

Warm Grasslands! Savanna

3

Samuel de Champlain

2

Flint Goes to the Post Office

4

America in the 20th Century

4

Maddy's Michigan Diary

2

Sam Names His Dog!

4

Daniel's Day at the Thanksgiving Parade

4

Maddy's Montana Diary

4

The Australian Aboriginal People