For thousands of years Giza’s Great Pyramids have stood, keepers of ancient secrets, harbouring a message that mankind has long forgotten.. The unravelling of this message has been the life's work of author Robert Bauval. He unveils the great myth of Osiris and his faithful consort Isis, gods of Afterlife and Eternity, as the key to the “mystery of the Pyramids” which reverberates in many strands of esoterism today..