Tying in the English and European backgrounds, the author gives a history of the United States from its earliest sectional growth to the final amalgamation as a union, showing the part played by inventions in speeding up the process. Examples:- the part the invention of printing played in putting America on the map; the contribution Franklin made through invention; the shift from agriculture to industry. Interesting reading from the angle of the origins of inventions, their development and influence; particularly interesting in the vivid retelling of familiar stories, such as the invention of the steamboat and cotton gin. The book has a distinctive flavor and the emphasis on the part played by invention in our social and economic development is a fresh one. An ideal book for men, and older boys should provide a plus market. Good supplementary material for reading in American history background.