TY  - BOOK
AU  - Gibbons, Gail
TI  - The post office book mail and how it moves
SN  - 0-590-16320-5
U1  - 383 G351 1982 
PY  - 1982///
CY  - New York : 
PB  - Scholastic Inc., 
KW  - Postal Service
ER  -