Guinther, William M. books & textbook
Positive Flying: Flight-tested Numbers and How to Fly Them for Precision Performance (General Aviation Reading series)
Taylor, Richard L. Guinther, William M.
Aviation Supplies & Academics, Inc. /1992-10-01 Hardcover / 233 Pages
isbn-10: 1565660242 / isbn-13: 9781565660243
