SOCIAL SCIENCES
Lucas, Eileen

Our Postal System

(4) 4-6 I Know America series. The brief volume, written in a flat style, reviews the history of the U.S. Postal Service, touching on the Pony Express and some early airmail efforts. There are explanations of how today's postal system is administered and some current methods used for processing and delivering mail. Sidebars cover additional related topics. Color photographs and a time line are included. Bib., ind.

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