The Stones of Time: Calendars, Sundials, and Stone Chambers of Ancient Ireland

This revealing text describes the exciting discovery and deciphering of the 5,000-year-old stone chambers and standing stones of pre-Celtic Ireland. At midwinter sunrise, Martin Brennan and his research partner observed a beam of light shining into the central chamber at Newgrange, illuminating a series of glyphs on the back wall. They went on to observe significant solar and lunar events at other chambers and stone complexes in the Boyne Valley and Loughcrew Mountains. Through a combinatio...