"This book reveals the fascinating history of GPS, from when it was first invented to the latest innovations, as well as the changes it has created in people's lives"--Provided by the publisher.
Ages 5-7.|||Grades K-2.|||630 Lexile.|||juvenile
by Kristi Lew.
Includes glossary.
"Beacon."
Includes bibliographical references (page 31) and index.
A Junior Library Guild selection
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