The product is a trade paperback textbook titled "Agile Web Development with Rails 5.1" authored by Sam Ruby, Dave Thomas, and David B. Copeland. It was published by Pragmatic Programmers, LLC, T.H.E. in 2017. The book covers subjects related to computers, user interfaces, programming languages (specifically Ruby), and web design. It is written in English, has 496 pages, and measures 9.2 inches in length, 7.5 inches in width, and 1 inch in height.