This is a rare vintage paperback guide from NADA titled "Nada Vintage Moped Motorcycle Appraisal Guide 1985". It is a valuable resource for adults interested in the history of motorcycles. The guide is a nonfiction narrative that provides information on motorcycle appraisal and history. The book series is called "Motorcycle Appraisal Guide" and this particular book is a National Edition published in 1979 by NADA. The guide is written in English and is intended for adults. The book is in great condition and is a nice addition to any collection.