Great Courses – Do-It-Yourself Engineering (DVD Only)
Disc four has a few faint scratches, no problems playing. The other three discs are in like new condition. There is no guidebook.
The Great Courses: Tools of Thinking (4 DVDs + Guidebook, 2005) Teaching Co.
It includes the Course Guidebook which has no writing / highlighting to pages. Photo(s) are of the actual item(s) you will receive. Tools of Thinking: Understanding the World through Experience and Reason.