The Great Courses: part 1&2 + Guidebook Emerson Thoreau Transcendentalism Set is a comprehensive educational set that includes CDs of lectures, a guidebook, and a plastic slipcover case. The courses cover the philosophy of Emerson, Thoreau, and Transcendentalism, all in English. This set offers a deep dive into the ideas and teachings of these influential figures, making it a valuable resource for anyone interested in exploring the works of American philosophers and writers.