On Thanksgiving night, 1915, a small band of hooded men gathered atop Stone Mountain, an imposing granite butte just outside Atlanta. With a flag fluttering in the wind beside them, a Bible open to the twelfth chapter of Romans, and a flaming cross to light the night sky above, William Joseph Simmons and his disciples proclaimed themselves the new Knights of the Ku Klux Klan, named for the infamous secret order in which many of their fathers had served after the Civil War. Unsure of their footing in the New South and longing for the provincial, patriarchal world of the past, the men of the second Klan saw themselves as an army in training for a war between the races. They boasted that they had bonded into "an invisible phalanx...to stand as impregnable as a tower against every encroachment upon the white man's liberty...in the white man's country, under the white man's flag." Behind the Mask of Chivalry brings the "invisible phalanx" into broad daylight, culling from history the names, the life stories, and the driving passions of the anonymous Klansmen beneath the white hoods and robes. Using an unusual and rich cache of internal Klan records from Athens, Georgia, to anchor her observations, author Nancy MacLean combines a fine-grained portrait of a local Klan world with a penetrating analysis of the second Klan's ideas and politics nationwide. No other right-wing movement has ever achieved as much power as the Ku Klux Klan of the 1920s, and this book shows how and why it di