TY  - BOOK
ED  - WORLDBOOK, Inc.
TI  - How does it happen?
T2  - Childcraft : the how and why library
SN  - 9780716622642
U1  - 621.9 
PY  - 2011///
CY  - Chicago : 
PB  - World Book
KW  - Children's encyclopedias and dictionaries
KW  - Light
KW  - Juvenile literature
KW  - Sound
N1  - Includes bibliographical references and indexes
ER  -