The product is the “Calculus: One and Several Variables” textbook by Salas, Hille, and Etgen, published by Wiley & Sons in 2002. This 9th edition covers the subject area of Mathematics, specifically Calculus, in a 1280-page hardcover format. The textbook is revised and written in English, making it a comprehensive resource for students and educators in the field of Calculus. Sold as is.