This soft-covered military aviation book, titled "Kawasaki Ki-61 Hien in Japanese Army Air Force Service," is a must-have for history enthusiasts. The book, published in 2019 by Schiffer Publishing provides a comprehensive historical reference through photos and informative text. It covers the era of WWII's Ki-61 Hien in Japanese Army Air Force Service. The book is 11 inches in length and 8 inches in width, with 64 pages of fascinating content. It is illustrated with period black and white photos, making it a perfect addition to any history book collection. The book is in English, and the author is Richard M Bueschel. This limited edition book is a great find for collectors and enthusiasts alike.