The Story of the Winged-S: An Autobiography is a book written by Igor I. Sikorsky, the renowned aviation pioneer and inventor of the helicopter. In this book, Sikorsky tells the story of his life, from his childhood in Russia to his emigration to the United States and his career as an aeronautical engineer.The book is divided into two parts. The first part covers Sikorsky's early life, his education, and his early work in aviation. He describes his...