TY  - BOOK
AU  - Gratzer, G.
TI  - Train your brain: a year's worth of puzzles
SN  - 9781568817101
U1  - 51-8 
PY  - 2011///
CY  - Boca Raton
PB  - CRC
KW  - MATHEMATICAL GAMES
KW  - WORD GAMES
KW  - WORD PROBLEMS
ER  -