The Pyramids An Enigma Solved Joseph Davidovits Margie Morris 1990 Hardcover The Pyramids: An Enigma Solved by Dr. Joseph Davidovits and Margie Morris, published by Dorset Press in 1990. This insightful hardcover explores the geopolymer theory of pyramid construction, challenging traditional views with scientific analysis of ancient Egyptian stone. A compelling read for enthusiasts of Egyptology, archaeology, and alternative history, this edition includes its original dust jacket and detailed illustrations. The text remains clean and the binding is tight, making it a solid addition to any history or science library. Measurements: • Height: 9.25" • Width: 6.25" • Depth: 1" #Vintage