This product is a vintage paperback book titled "ARCO-AIRCAM AVIATION SERIES No.27, KAWASAKI Ki.61/Ki.100 HIEN". It is a non-fiction picture book about the Kawasaki Ki.61/Ki.100 Hien aircraft from the 1940s, written by Richard M. Bueschel and illustrated by Richard Ward. It was published in 1971 by Arco Publishing Company, Inc. The book is 48 pages long and includes illustrations. It is part of a book series intended for adults interested in aviation history and military topics.