The Post Office Book: Mail and How It Moves - Gail Gibbons

n nLearn where our mail goes and how it gets there in this classic nonfiction picture book by Washington Post/Children's Book Guild Award winner Gail Gibbons.n nDo you ever mail a letter and wonder what happens to it after you drop it in the box? n nRead all about the post office and learn how letters are weighed, sorted, transported, culled, canceled, coded, binned, boxed, and sorted once again. n nFind out how people and machines work together to deliver the letters you send.n