Argues that the ancient structures at Giza, including the pyramids and the Sphinx, may be much older than originally thought, and discusses a mysterious underground chamber recently detected beneath the Sphinx.

In this riveting account of historical and archaeological investigation, the authors present hard evidence that the Sphinx, the Pyramids, and the other monuments at Giza are of far more ancient origin than previously believed. Complete with evidence of a conspiracy between the Egyptology establishment and various confidential organizations to keep the secrets of the Pyramids from the world, The Message of the Sphinx is also a modern-day detective story.