Brand new factory sealed. “Understanding Linguistics: The Science of Language” by John McWhorter is a DVD-based textbook that delves into the intricacies of language arts and disciplines. The publication, focusing on the subject area of general linguistics, is designed for adult and further education levels. With the author’s expertise and engaging teaching style, this DVD provides a comprehensive exploration of linguistic concepts in English, making it a valuable resource for students and educators alike. Produced by Teaching Company, LLC, T.H.E., this textbook in DVD format offers a convenient and immersive learning experience for those interested in unlocking the secrets of language.