The Great Courses Educational Books DVDs CDs Lot offers a wide range of topics including history, science, and business. With a focus on education, these books and discs provide in-depth lectures and insights on various subjects, making them a valuable resource for learners looking to expand their knowledge in specific areas. Produced in the United States, this collection caters to individuals interested in music, mathematics, and more, providing a comprehensive educational experience through The Great Courses series. Most materials are in good condition, lots of new. One book has a creased cover.