Gerard Thibault d'Anvers (ca. 1574-1627) was a Dutch fencing master and author of the 1628 rapier manual 'Academie de l'Espee' ('The Academy of the Sword'). His manual is one of the most detailed and elaborate extant sources on rapier combat, painstakingly utilizing geometry and logic to defend his unorthodox style of swordsmanship. One of the most widely respected voices in contemporary occult studies, John Michael Greer is the award-winning author of more than fifty books, including 'The New Encyclopedia of the Occult, The Druidry Handbook, The Celtic Golden Dawn', and 'Circles of Power: An Introduction to Hermetic Magic'. An initiate in Freemasonry, the Hermetic Order of the Golden Dawn, and the Order of Bards, Ovates and Druids, Greer served as the Grand Archdruid of the Ancient Order of Druids in America (AODA) for twelve years. He lives in Cumberland, Maryland, an old mill town in the Appalachian mountains of western Maryland, with his wife Sara.John Michael Greer is also the author of four books on peak oil and the future of industrial society, 'The Long Descent, The Ecotechnic Future, The Wealth of Nature' and 'Not The Future We Ordered', and also writes the widely cited peak oil blog "The Archdruid Report".