The product is a book titled "Fighters over Japan Part 1" from the Topcolors Series, published by Kangero in 2010. It is a trade paperback with illustrations and includes 8 decals for aircraft in 3 different scales. The book is written in English and is intended for adult readers interested in military aviation history, specifically focusing on World War II era fighters in Japan. The authors of the book are Tomasz Szlagor, Leszek Wieliczko, and Janusz Szlagor. The book also features vinyl masking foil for added detail.