TY  - BOOK
AU  - Jacobs,Marian B.
TI  - Why can airplanes fly?
SN  - 0823952746
U1  - 629.132 
PY  - 1999///
CY  - New York
PB  - PowerKids Press
KW  - Flight
KW  - Air flow
KW  - Questions and answers
N1  - Includes index
N2  - Provides answers to such flight-related questions as "How do airplane wings work?" "What is thrust?" and "How do helicopters fly?"
ER  -