Title: Christopher Columbus and Neil Armstrong
Subjects: Columbus, christopher, 1451-1506, Columbus, christopher, 1451-1506, juvenile literature, Explorers, Explorers, juvenile literature, Space flight to the moon, Space flight to the moon, juvenile literature, Astronauts, Astronauts, juvenile literature, America, discovery and exploration, Juvenile literature, Discovery and exploration, Spanish, History, Biography, Discoveries in geography