The product is the second edition of the textbook "Reinforcement Learning: An Introduction" by authors Richard S. Sutton and Andrew G. Barto. Published by MIT Press in 2018, this advanced-level textbook covers the subject area of Artificial Intelligence with a focus on Intelligence and Semantics. The hardcover format contains 552 pages and is geared towards adult and further education students. With a weight of 2.1 lbs, this textbook provides a comprehensive introduction to reinforcement learning for those interested in the field of computer science and AI.