Download or read book The World of Silent Flight written by Richard A. Wolters and published by McGraw-Hill Companies. This book was released on 1979 with total page 200 pages. Available in PDF, EPUB and Kindle. Book excerpt: Covers nonpowered flying with relation to the areas of flying kites, ballooning, soaring, hang gliding, and parachuting and includes information on costs, instruction and training, equipment and related organizations.