The product is a textbook titled "An Introduction to Metric Spaces and Fixed Point Theory" authored by Mohamed A. Khamsi and William A. Kirk. Published by Wiley & Sons, it falls under the subject area of Mathematics, specifically focusing on Algebra, Linear Algebra, and General Algebra as well as Topology. The book, part of the Pure and Applied Mathematics series, has 320 pages and serves as an educational resource for students and researchers interested in metric spaces and fixed point theory.