The product is a new hardback textbook titled "An Introduction to Differential Manifolds" by Jacques Lafontaine. Published by Springer International Publishing A&G in 2015, it explores the subject areas of geometry and topology. With a length of 9.3 inches and width of 6.1 inches, this book contains 395 pages and is written in English. It is a key resource for adult learners and university students looking to delve into the world of differential manifolds.