TY  - BOOK
AU  - Townsend, Charles Barry
TI  - World's Most Challenging Puzzles
SN  - 9788122201598
U1  - 793.73 
PY  - 2006///
CY  - New Delhi
PB  - Orient Paperbacks
KW  - General
KW  - World's Most Challenging Puzzles
ER  -