Gibbons, Gail. <br/><br/>
The post office book :  mail and how it moves / 
by Gail Gibbons. 
 - New York :  Crowell,  1982. 
 - unp. :  ill. 
<br/><br/> A description of what happens to mail from the time it is deposited in the mailbox to its arrival at its destination. 
<br/><br/> RA 840  Lexile 
<br/><br/><label>ISBN: </label>0690041985 :  $8.25 0690041993 (lib. bdg.) 
<br/><br/><label>LCCN: </label>81043888  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Postal service--United States.
<br/><br/><label>Dewey Class. No.: </label>383