The product is a rare and collectible hardcover book titled "Prinz, H. and Rickert Dental Materia Medica and Therapeutics" by Hermann Prinz, printed in 1926 by C.V. Mosby Medical Book & Publishing Co. This illustrated book is a valuable resource for those interested in dentistry, specifically focusing on dental medical subjects. Written in English, this original edition is a must-have for any collector of dental literature.