The Solution of the Pyramid Problem; or, Pyramid Discoveries: With a New Theory as to their Ancient UseE-bookThe Solution of the Pyramid Problem; or, Pyramid Discoveries: With a New Theory as to their Ancient UsediRobert BallardValutazione: 0 su 5 stelle0 valutazioniSalva The Solution of the Pyramid Problem; or, Pyramid Discoveries: With a New Theory as to their Ancient Use per dopo