This book is a general exposition of its subject, Principles of Flight. The Hows and Whys of LTA, HTA, and space flight are presented, explained and discussed. It is expected that flyers and non-flyers of all ages will find this book interesting, informative, and of value. The text is easy to understand, and the 24 illustrations complement the text. This book is dedicated to all those flyers who making the supreme sacrifice bought the farm.