Great Courses Black Holes Tides & Curved Spacetime - Understanding Gravity, New

Great Courses Black Holes, Tides & Curved Spacetime - Understanding Gravity DVD set + guidebook, ISBN 9781598039856, new and sealed. Ships safely bubble wrapped inside a sealed padded polymailer :) The condition of this item is extensively detailed in the high-resolution photos. Comes from a non-smoking, no-pet, temperature controlled environment. I package well and ship quickly, as seen by my feedback. Buy with confidence - thanks for looking~