Rare original German booklet entitled "Die Bruder Wright," with cover translating to: "The Wright Brothers. A study of the development of the flying machine from Lilienthal to Wright," 6 x 9, 64 pages, published in Berlin in 1909. Inside bears 44 illustrations, many of the Wright Brothers and their machine. In fine condition, with scattered toning and soiling to covers, and a small label affixed to bottom of covers.