The product is a textbook titled “Interpolatory Methods for Model Reduction” by Athanasios C. Antoulas, published by the Society for Industrial and Applied Mathematics in 2020. It belongs to the Computational Science and Engineering 21 Series and is written in English. The book covers the subject area of Mathematics and provides insights into interpolatory methods for model reduction, making it a valuable resource for students and professionals in the field of mathematical modeling and optimization. With a total of 232 pages, this trade paperback is a comprehensive guide on the topic.