The product is a textbook titled “System-370 Job-Control Language” by author Gary D. Brown. Published by Wiley & Sons, Incorporated, John in 1977, this trade paperback is 297 pages long and focuses on the subject area of computers, specifically in the fields of programming languages and hardware. Written in English, this book offers insights and information on the System-370 Job-Control Language, making it a valuable resource for students and professionals in the computer science field.