It seems so simple, a stamped envelope delivered by the local postman. But it hasn't always been this easy. From messengers on foot to pony express to airmail, our postal system has progressed a great deal with the passage of time. A combination of informative text and engaging illustrations serve to track this progress. Kids will have a new appreciation for the innovations that allow them to stay connected with people around the world. Have you ever wondered what life was like before telephones or cars? It's easy to take for granted the inventions that have had such huge impacts on our everyday lives. With the help of The Timeline Library, children can visualize the development, and grasp the monumental impacts-of some of the most influential innovations in history. Presented in a timeline format that combines biography, science, history, and social studies, each book offers young readers a unique perspective from which to view the course of human history. Kids will emerge with a well-rounded understanding of how these inventions have played an indelible role in shaping our past, present, and future.
