Earth Divination: Earth Magic: Practical Guide to Geomancy
John Michael Greer(Western Maryland) has been a student of occult  traditions and the unexplained for more than thirty years.  A Freemason,  a student of geomancy and sacred geometry, and a widely read blogger,  he is also the author of numerous books, includingMonsters,The New  Encyclopedia of the OccultandSecrets of the Lost Symbol, and  currently serves as the Grand Archdruid of the Ancient Order of Druids  in America (AODA), a contemporary school of Druid nature spirituality. Greer has contributed articles toRenaissance Magazine,Golden Dawn Journal,Mezlim,New Moon Rising,Gnosis,andAlexandria.