Explorers and discoverers, John Glenn /

Describes in simple terms the flight of John Glenn--the first American to orbit earth.

Bibliographic Details

Corporate Author:	Educational Research Council of America. Social Science Staff
Format:	Book
Language:	English
Published:	Boston : Allyn and Bacon, [1974]
Edition:	Learner-verified ed. 2.
Series:	Concepts and understanding.
Subjects:	Glenn, John, > 1921-2016. Astronautics > Juvenile literature. Astronauts.