Butler Alan. How to read prehistoric monuments: understanding our ancient heritage

Watkins, 2011. — 272 p.This comprehensive, illustrated guide to Britain's earthworks, henges, and standing stones explores how and why they were built and used, offering a tantalizing glimpse into the religious, civic, and social practices of their creators. An A-Z section details all the site types in the British Isles, and each monument is identified by latitude and longitude, making it easy for history buffs to find them using maps and geo-location devices.Alan Butler is a writer, researcher, and recognized expert in ancient cosmology and astronomy with many books to his credit, including Hiram Key Revisited, Civilization One, and City of the Goddess. He has appeared on Ancient Aliens, The Mystery of History, and America Unearthed. He lives in Yorkshire, England.