TY  - BOOK
AU  - Sethi, M.R.
TI  - 250 challenging puzzles
SN  - 81-7245-090-7
U1  - 153.9 
PY  - 1997///,
CY  - New Delhi
PB  - Goodwill Pub.
KW  - Ability--Testing
KW  - Intelligence
ER  -