The book, “Warplanes Of The World 1918-1939” provides an important link in the evolution of aviation technology between the end of World War I and the beginning of World War II.  “Warplanes Of The World 1918-1939” highlights the fact that during the inter war years important changes in aircraft structure and configuration occurred including: 1) Metal replaced wood; 2) Cockpits were enclosed and 3) Undercarriages became retractable.  The inter war years also saw substantial improvements in the available horsepower in both radial and inline engines, as well as, the development of the first jet powered aircraft.  In addition to substantial structural and power-plant improvements, the nascent field of navigation and radio electronics improved dramatically.  Each of the aircraft reviewed in “Warplanes Of The World 1918-1939” includes at least one black and white photograph along with the following information: 1) Purpose; 2) Data; 3) Engine; 4) Span; 5) Maximum Speed and 6) Armament.  The major sections of “Warplanes Of The World 1918-1939” are as follows: 1) Introduction; 2) Part One; 3) Part Two; 4) Part Three and 5) Index.  In addition to an informative narrative, “Warplanes Of The World 1918-1939” includes approximately 280 vintage black and white photographs.  “Warplanes Of The World 1918-1939” provides a lucid, compact yet authoritative reference to a vital period of aviation development and is sure to be an invaluable reference to any enthusiast or student of aviation history.  This book is 192 pages and is in very good condition.  The author is Michael J. H. Taylor.  Edition published in 1981.