In 1809, New Yorkers were buzzing about a series of classified ads concerning the whereabouts of Dutch historian Diedrich Knickerbocker. They were unaware that Washington Irving had invented the man entirely and placed the ads himself. Knickerbocker’s purported manuscript, A History of New York, was Irving’s own. Told from Knickerbocker’s point of view, A History of New York is a chronicle of N...