TY  - BOOK
AU  - Nobleman,Marc Tyler
AU  - Orlemann,Duff
TI  - Math Puzzles
T2  - An I Know it Book
SN  - 0887437427
U1  - 510 21
PY  - 1999///
CY  - USA
PB  - School zone
KW  - Mathematics
KW  - الرياضيات
N1  - Arithmetic Notions
ER  -