Reference

National Geographic Beginner's United States Atlas:

National Geographic Student Atlas of the World Third Edition:

National Geographic Our World, Updated Edition: A Child's First Picture Atlas

National Geographic Beginners World Atlas Updated Edition:

National Geographic Kids Just Joking Laugh-Out-Loud Collector's Set (Boxed Set):

Weird but True! Collector's Set 2 (Boxed Set): 900 Outrageous Facts

Weird but True Collector's Set (Boxed Set): 900 Outrageous Facts

The New Children's Encyclopedia:

Encyclopedia of Science:

Children's Illustrated Atlas (Library Edition):

First Children's Dictionary:

It Can't Be True! 2: