This is a study of the Cairns of Newgrange and Cairn T Loughcrew, Co Meath.
Among the interesting facts contained in the book. It shows that the symbols of the sun engraved on the backstone of Cairn T at Loughcrew are precisely positioned to measure solar movement. A beam of light from the rising sun around the time of the March and September equinoxes is mapped on the backstone.
This is a very interesting book for anyone interested in the Megalithic Age because of the use of large stones to build these structures.
The Irish have always respected these sites. As they considered them to be the homes of their forebears, the Fir Bolg.