The book, The World Of Silent Flight represents a comprehensive, in-depth review of the five major sports comprising the popular area of non-powered flight.  The five major sports of non-powered flight are as follows: 1) Kites; 2) Ballooning; 3) Soaring; 4) Hang gliding and 5) Parachuting.  Within these five categories of non-powered flight the author informs the reader as to the type of equipment needed, its cost and the appropriate instruction & training necessary to get started.  In addition, for each sport, there is a rundown on books to read, various clubs to join, magazines to subscribe to and coverage of available suppliers.  Aside from an informative narrative, "The World Of Silent Flight" includes the following features: 1) Approximately 240 black and white photographs and 2) 15 black and white illustrations.  The photographs are breathtaking and many were taken using various remote-control sequencing techniques.  The author set cameras out in space to capture interesting subject angles and fired them electrically by radio & by infrared light.  This body of photographic work was so outstanding in fact that Nikon gave the author a one-man show at Nikon House in New York.  "The World Of Silent Flight" is sure to appeal to anyone interested in the low and slow world of "Silent Flight".  This book is 182 pages and is in very good condition.  The author is Richard A. Wolters.  Edition published in 1979.