New York: Wittenborn and Company, 1970. First edition. Hardcover. The American edition of this landmark book. The first monograph on their work. One of the most important and influential photography books of the last half-century. A fine copy in a near fine jacket with a short closed tear and a few small nicks. Signed by both Hilla and Bernhard Becher and very uncommon thus. (Parr & Badger v2, 261,Roth 194-195).