How things work /
How things work /
- Chicago : World Book, 2011.
- 192 pages : color illustrations ; 26 cm.
- Childcraft : the how and why library. .
Includes bibliographical references and indexes.
9780716622642 9780716622710
Technology--Juvenile literature.
Inventions.
Electronics.
621.8 / CHI
Includes bibliographical references and indexes.
9780716622642 9780716622710
Technology--Juvenile literature.
Inventions.
Electronics.
621.8 / CHI