"Derek Piggott MBE spent 30 years as the Chief Instructor at the Lasham Gliding Centre, and has, over the years, introduced thousands of people to the joys of silent flight. He is a keen instructor and continues to be an active competitor in gliding competitions. In the fourth edition of this classic work on the subject, Derek passes on yet more of his comprehensive knowledge of the sport. He presents the basic principles of gliding in a style any pilot can easily understand. For those who would like to improve their gliding performance as pilots this book comes highly recommended"--Back cover.