The book "The Wright Brothers. A study of the development of the flying machine from Lilienthal to the Wrights" by Alfred Hildebrandt is an important study devoted to the invention and development of flying machines from the experiments of Otto Lilienthal to the next achievements of the Wright brothers. This book helps to better understand the history of aviation, revealing the secrets of man's first attempts to conquer the skies. Through a detailed study of the life and activities of the Wrights, the author reveals their ingenuity, perseverance and faith in their work. This book is not only a valuable document for aviation enthusiasts, but also an important resource for the study of the history of technological progress.