This is a Japanese-language book or magazine about aircraft and/or aircraft modeling. Some Japanese aircraft books, such as the Aero Detail series contain complete English text as well. See the product description below for details.
This edition is devoted to the Saiun, with several pages of color photos of the only remaining example in the world (at the National Air and Space Museums restoration/storage facility) as well as page after page of period photos and detailed drawings. A must-have for those contemplating the Hasegawa kit.