TY  - BOOK
AU  - Midthun, Joseph 
AU  - Hiti, Samuel
TI  - Addition
T2  - Building blocks of mathematics
SN  - 9780716614319
U1  - 513.211 
PY  - 2013///
CY  - Chicago
PB  - World Book, Inc.
KW  - Addition
KW  - comic books, strips, etc
KW  - Juvenile literature
KW  - Graphic novels
ER  -