The product is a textbook titled “Informal Geometry” authored by Stanley A. Smith & Charles W. Nelson. Published by Addison-Wesley Longman, Incorporated in 1992, the book covers the subject area of Mathematics and specifically focuses on Geometry / General. It is a hardcover edition illustrated in English and measures 8 inches in length, 10 inches in height, and 1 inch in width. With a weight of 3.2 pounds, this textbook is a valuable resource for students and educators interested in the topic.