TY  - BOOK
AU  - Tomecek,Steve
TI  - What a great idea! : inventions that changed the world
SN  - 9780590681445
U1  - 500 21
PY  - 2003///
CY  - New York
PB  - Scholastic Nonfiction
KW  - Inventions -- Histoire
N1  - Describes 45 inventions and the stories behind them.Elementary and junior high school
ER  -