An illustrated book focused on the Great Pyramid of Cheops. Peter Tompkins recreates the adventures and explorations of the archaeologists, treasure hunters, soldiers, scientists, and eccentrics who have studied the Pyramid over many centuries. The book explores the Pyramid's ties to astronomy, geodesy, astrology, history ,the occult and theorizes how it was built. Book includes a detailed appendix concerning the measurements of the Great Pyramid written by Professor Livio Catullo Stecchini as well as a glossary, bibliography and index.