This book has been written primarily from original sources, published and unpublished, and in particular from the surviving letters that passed between Franklin and his family and friendsonly a fraction, alas, of the total writtenand including a good many not likely to be printed anywhere else ( for even the monumental edition of the Franklin Papers at Yale has to be limited to lettersAt last, the story of Ben Franklin in human dimensions set against the dazzling backdrop of the Age of Enlightenment. This is great history, great biography and, above all, a wonderfully entertaining book.