TY  - BOOK
AU  - Murphy,Stuart J.
AU  - Petrone,Valeria
TI  - Double the ducks
T2  - MathStart
SN  - 9780064462495
AV  - QA115 .M8654 2003
U1  - E MUR 
PY  - 2003///
CY  - New York
PB  - HarperCollins
KW  - Multiplication
KW  - Juvenile fiction
N1  - "Level 1."; "Doubling numbers."
N2  - A little boy works very hard taking care of five little ducks, then they go for a walk and each duck brings home a friend making double the work

UR  - http://www.loc.gov/catdir/description/hc043/2001024321.html
ER  -