TY  - BOOK
AU  - Mason Crest Publishers
ED  - Mason Crest Publishers.
TI  - Why Why Why Do Clocks Have Hands?
T2  - Why why why
SN  - 9781422215807
AV  - T48 .W49 2009
U1  - 600 MCP 
PY  - 2009///, c2006
CY  - Broomall, Pa.
PB  - Mason Crest
KW  - Inventions
KW  - Juvenile literature
N1  - Includes index
N2  - Answers questions about inventions and technology, including questions about the earliest inventions, first car, jumbo jet, and microwaves
ER  -