AU  - BLUNDEN,ALAN
TI  - HOW IT WORKS: THE HOVERCRAFT
T2  - A LADYBIRD BOOK
SN  - 0721409490
U1  - 629.3/BLU 
PY  - 1987///
CY  - UNITED KINGDOM
PB  - LADYBIRD BOOKS, LTD.
KW  - HOVERCRAFT
KW  - ENGINEERING
ER  -