The product is a textbook titled "Introduction to the Numerical Solution of Markov Chains" by William J. Stewart. Published by Princeton University Press in 1994, this hardcover book delves into the subject area of Mathematics, specifically focusing on Probability & Statistics and Stochastic Processes. With a total of 568 pages, it provides a comprehensive introduction to the numerical methods used to solve Markov chains, making it a valuable resource for students and professionals in the field.