Secret & X-Plane aircraft projects remain highly popular with historians enthusiasts modellers & the flight sim community. Surprisingly secret Japanese planes of World War 2 remain an area which has been largely ignored due to scarcity of information. They do however have a large base of interest as unlike the majority of secret Luftwaffe programs that were resigned to the drawing board the vast number of aircraft featured within this book actually flew or were in development. The book is divided into two sections dedicated to the two air forces of the IJA & IJN with over 42 aircraft examined each with its history variants performance & any combat records laid out in an easy to read fashion. Much information about their secret technical exchanges with the Luftwaffe throughout the war is also uncovered. This is beautifully complimented by stunning colour renditions of the aircraft in combat & colour profiles of genuine markings & camouflage. Notable emphasis is placed upon the transonic rammer aircraft strategic long-range bombers & the ways in which the Japanese adapted German technology to their needs particularly the Me 262 & Me 163 Komet. Secret Japanese armaments are also covered in detail with information on guided missiles aerial rockets & unique bombs. It is a gripping read for aviation & military enthusiasts around the world!