3

Famous Explorers

3

Astronauts

3

Gerard and the Credit Card

3

Vasco da Gama

3

Ibn Battuta

3

Francis Drake

2

Little Yogis

3

Samuel de Champlain

3

David Livingstone

4

Maddy's Maryland Diary

3

James Cook

3

Magnetism

3

Sacagawea

3

John Cabot

3

Isthmuses of the World

3

Edmund Hillary

3

Amerigo Vespucci

3

John Smith

2

The Dog Who Found A Frog In A Log

4

Dr. Why-Human Body

3

Ferdinand Magellan

2

My Five Senses

3

Marco Polo

3

Jacques Cartier

Kindergarten

Probability

3

Neil Armstrong

3

Jacques Cousteau

3

Zheng He

3

Roald Amundsen

3

Christopher Columbus