Examines how the postal system works, discusses addressing envelopes, and describes the journey mail takes.

Relates the history of the Pony Express from when it began to carry messages across the American West in April 1860 until the telegraph replaced it in October 1861.

Suddenly, condemned arch-swindler Moist von Lipwig found himself with a noose around his neck and dropping through a trapdoor into ... a government job? By all rights, Moist should be meeting his maker rather than being offered a position as Postmaster by Lord Vetinari, supreme ruler of Ankh-Morpork. Getting the moribund Postal Service up and running again, however, may prove an impossible task, what with literally mountains of decades-old undelivered...

"Join us as we take a look at the local post office! Post Office introduces young viewers to this important place in the community. From helping people mail a letter to delivering packages to someone's door, the post office enables people to communicate with others in their own community and beyond"--Container.

Relates how, in 1861, a boy named Charlie Miller became the youngest rider for the Pony Express, a mail service that linked the east and west coasts of the United States.

In 1888, Owney, a stray terrier puppy, finds a home in the Albany, New York, post office and becomes its official mascot as he rides the mail train through the Adirondacks and beyond, criss-crossing the United States, into Canada and Mexico, and eventually traveling around the world by mail boat in 132 days.

"This is the third of five complete online practice 473E Batteries that offer preparation for the format, content, and timing of each section of the official 473E. Includes an instant score report that will help identify your strengths and weaknesses." --