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How things work - 192 pages : color illustrations ; cm - Childcraft : the how and why library ; #5 . - Childcraft : the how and why library ; #5. .

Includes glossary and index

Primary

ISBN: 9780716622581

Subjects--Topical Terms:
Technology--Miscellanea
Inventions--Juvenile literature
Technology --Juvenile literature

Dewey Class. No.: 600