"APL/360: An Interactive Approach" by Gilman is a trade paperback textbook published in 1970 by Wiley & Sons, Incorporated. The book focuses on the APL programming language and covers topics in programming languages and hardware, specifically mainframes and minicomputers. With 335 pages and weighing 16 oz, this textbook provides a comprehensive and interactive approach for readers interested in learning about computers and programming languages in the early 1970s. Written in English, this book offers valuable insights for those looking to delve into the world of computing technology during that time period.