TY  - BOOK
AU  - Tomecek,Stephen M.
TI  - What a great idea: inventions that changed the world 
SN  - 9780590681445
U1  - 608 T656 2003 
PY  - 2003///
CY  - New York
PB  - Scholastic Nonfiction
KW  - Inventions
N1  - Includes bibliography and index
ER  -