TY  - BOOK
AU  - Timmerman, Charles
TI  - The everything pencil puzzles book : : sharpen up your puzzle solving skills / 
SN  - 1-59337-584-0
U1  - 793.7322 T584 2006 
PY  - 2006///
CY  - Avon, Massachusetts : 
PB  - F+W Publications, Inc., 
KW  - Mathematical Recreation
KW  - Puzzles
ER  -