The product is an advanced engineering mathematics textbook titled "Advanced Engineering Mathematics" by author Erwin Kreyszig. Published by Wiley & Sons, Incorporated, John in 2020, this textbook covers the subject area of mathematics with a focus on applied topics. The loose-leaf format makes it convenient for students and professionals to use for reference and study purposes. With 1280 pages and a size of 9.9 x 7.9 x 1.8 inches, this textbook is a valuable resource for those looking to deepen their understanding of advanced engineering mathematics concepts. Binder included Very nice condition A few pages have elongated holes