Gordon S. Wood 
Creation of the American Republic, 1776-1787 [PDF ebook] 

One of the half dozen most important books ever written about the American Revolution.–New York Times Book Review "During the nearly two decades since its publication, this book has set the pace, furnished benchmarks, and afforded targets for many subsequent studies. If ever a work of history merited the appellation ‘modern classic, ‘ this is surely one.–William and Mary Quarterly"[A] brilliant and sweeping interpretation of political culture in the Revolutionary generation.–New England Quarterly"This is an admirable, thoughtful, and penetrating study of one of the most important chapters in American history.–Wesley Frank Craven