David Macaulay is a renowned author and illustrator (The Way Things Work) who over the years has produced a series of very engaging educational films on the history of pyramids, castles, cathedrals, and other places. Many are available to purchase through PBS and all of them are easy to locate on YouTube. I have found the animated and historical documentary he created on castles to be a wonderful addition to the study of the Middle Ages in Grades 5-8. The video is also a highly interesting and f