3

James Cook

4

Maddy's South Dakota Diary

3

Archipelagos of the World

4

Maddy's Washington Diary

3

Trenches of the World

4

Maddy's New Jersey Diary

4

Maddy's Pennsylvania Diary

4

Early North American Settlers

3

Famous Explorers

4

Chip's Tips on Australia

4

Chip's Tips on Canada

3

William Shakespeare

4

From the American Revolution to the Civil War

3

Edmund Hillary

3

Bays of the World

4

The White House

3

Capes and Peninsulas of the World

3

Harbors of the World

3

Straits of the World

3

Power

4

Maddy's Ohio Diary

4

Maddy's Oregon Diary

4

Chip's Tips on New Zealand

4

Maddy's Virginia Diary

4

An Introduction to the History of the United States of America

3

Work

4

Maddy's Rhode Island Diary

4

Maddy's North Carolina Diary