TY  - BOOK
AU  - Tomecek,Steve
AU  - Stuckenschneider,Dan
TI  - What a great idea!: inventions that changed the world   
SN  - 0590681443 :
AV  - T15 .T695 2003
U1  - 609 21
PY  - 2003///
CY  - New York
PB  - Scholastic Nonfiction
KW  - Inventions
KW  - History
KW  - sears
N1  - Includes bibliographical references (p. 109-110) and index
N2  - Describes the inventions that have changed history, from the ancient hand ax and spear, to the modern rocket and computer
ER  -