The product is a textbook titled “National Security Law: Principles and Policy” by authors Corn, Geoffrey S.; Gurulé, Jimmy; Jensen, Eric Talbot; Margulies. Published by Aspen Publishing, this advanced-level text is designed for adult and further education students studying security. Written in English, it covers key principles and policies in the realm of national security law, making it a valuable resource for those interested in this complex subject area.