TY  - BOOK
AU  - "DE BONO EDWARD.,"
TI  - SIX THINKING HATS
SN  - 0-14-013784-X
U1  - 001.1 BON. 
PY  - 1985///
CY  - LONDON
PB  - PENGUIN BOOKS
KW  - N.D
ER  -