The book, The Jet Age: Forty Years Of Jet Aviation chronicles the first forty years of jet engine development and use in many different types of aircraft.  "The Jet Age: Forty Years Of Jet Aviation" is actually a compendium of related articles written by various authors all focused on the initial development of the jet engine and subsequently of their improvement and use in jet fighters, jet bombers and jet airliners.  The editors make the persuasive argument that the growth of jet aviation would not have been possible without the entrepreneurial daring of many individuals and great commercial manufacturers.  "The Jet Age: Forty Years Of Jet Aviation" will also reveal how great ideas were arrived at independently when perceived need and technology coincided.  Also discussed is how quickly aircraft designers were able to incorporate improved jet engines into viable aircraft once their performance had improved from a laboratory instrument to a dependable power source.  In addition, "The Jet Age: Forty Years Of Jet Aviation" discusses the impact affordable mass travel by jet aircraft had on the economies and societies of the world's many countries over the first forty years of jet aviation.  The major sections of  "The Jet Age: Forty Years Of Jet Aviation" are as follows: 1) Acknowledgements; 2) Foreword; 3) The Birth Of The Jet Engine In Britain by Sir Frank Whittle; 4) The Evolution And Future Of Aeropropulsion Systems by Hans Von Ohain; 5) Jet Fighters; 6) The Development Of The "Jumo 004" Turbojet Engine by Anselm Franz; 7) Powerplants - Past, Present, and Future by Gerhard Neumann; 8) Jet bombers; 9) Flying Jet Aircraft And The Bell XS-1 by Charles E. Yeager, Brigadier General, USAF (Retired); 10) The First Forty Years Of Jet Aviation by Najeeb E. Halby; 11) Jet Airliners; 12) Jet Aviation Development: A Company Perspective by John E. Steiner and 13) Forty Years Of Jet Aviation - A Selective Bibliography And Research Guide by Dominick A. Pisano.  In addition to an informative narrative, "The Jet Age: Forty Years Of Jet Aviation" includes the following features: 1) Approximately 150 black and white photographs; 2) About 65 black and white illustrations; 3) 1 three-view Heinkel He-280 jet fighter illustration and 4) 1 map.  This book is 190 pages, is in very good condition with the previous owners name stamped on the cover and has been signed by the two editors.  The editors are Walter J. Boyne and Donald S. Lopez.  Edition published in 1979.