“Sealed – Masters of War: History’s Greatest Strategic Thinkers” by Andrew R. Wilson is a comprehensive textbook in DVD format that delves into the history and strategic thinking of various influential figures. Published by Teaching Company, LLC, T.H.E. in 2012, this text focuses on the subject area of history and offers insights for adult learners and further education students at beginner, intermediate, and advanced levels. With a collection of strategic thinkers discussed in detail, this box set provides a valuable educational resource for those interested in exploring the intricacies of historical warfare and leadership.