Techniques of Infrared Photography Keisuke Kouzuki Mikishobou/1982/Japanese/130*183*10 This book is a collection of works explaining the know-how of ‘hiding shots’ published in the 1980s and 1990s. / Document Park’ was published in 1980. Since then, a number of similar collections have been published in the 80s and 90s, including a series of photographs of molestation and other acts on commuter trains by the secret photographer Ikko Bonn. The author, who has been using a camera as a hobby for nearly 25 years, studied electronics at university and established his own electronics company, also describes in detail the art of covert photography, including mental and technical theories, illustrations (in colour and black and white) and text.