The product is a textbook titled “Modeling of Dynamic Systems” by authors Lennart Ljung and Torkel Glad. It falls under the subject areas of Technology & Engineering and Science, specifically focusing on mechanics, operations research, and electrical systems. The book is a trade paperback format, 368 pages long, and written in English. Published in April 1994 by Pearson Education (US) under the publisher Prentice Hall PTR, it covers topics related to dynamic systems modeling and analysis.