The product is a textbook titled "Introduction to Discrete Mathematics" by authors Robert B. Ash, Robert J. McEliece, and Carol Ash. Published by McGraw-Hill in 1989, the paperback book is in English and covers the subject of Mathematics. This textbook serves as a comprehensive introduction to the field of discrete mathematics, making it a valuable resource for adult learners and university students studying the subject. With its clear and informative content, it serves as a fundamental tool for understanding the core concepts of discrete mathematics.