The product is a textbook titled "Hearing Assessment" by William F. Rintelmann, published in 1979 by University PARK Press. It falls under the subject area of medical audiology and speech pathology, with a total of 616 pages. The hardcover book is part of the "Perspectives in Audiology Ser." and includes a dust jacket. Written in English, this textbook is a valuable resource for individuals interested in the field of audiology and speech pathology.