TY  - BOOK
TI  - Brain training puzzles : : packed with over 100 puzzles. 
SN  - 978-1-84858-487-7
U1  - 793.73 B814 2012 
PY  - 2012///
CY  - London : 
PB  - Arcturus Publishing Ltd., 
KW  - Mental discipline
KW  - Mental Efficiency
KW  - Puzzles
ER  -