How to Win Friends and Influence People in publication, Carnegie originally began writing small booklets to go along with his courses. After one of his 14-week courses, he was approached by publisher Leon Shimkin of the publishing house Simon & Schuster. Shimkin urged Carnegie to write a book, but he was not initially persuaded. Shimken then hired a stenographer to type up what he heard in one of Carnegie's long lectures and presented the transcript to Carnegie. Dale Carnegie liked the transcript so much he decided to edit and revise it into a final form. He wanted it to be extremely practical and interesting to read. To
What Engineers Know and How They Know It What Engineers Know and How They Know It What Engineers Know and How they Know It: Analytical Studies from Aeronautical History (The Johns Hopkins University Press, 1990) () is a historical reflection on engineering practice in US aeronautics from 1908 to 1953 written by an accomplished practitioner and instructor. This period represents the dawn of aviation which was fraught with uncertainties and numerous paths to many possible worlds. The book captures two main conclusions from this period. The first order conclusion of this book is about "what engineers know." Five case studies from the history of aeronautical engineering are used