Earthwood Building School teaches cordwood masonry construction as well as earth-sheltered housing techniques. It is run by Rob and Jaki Roy. Rob, active in the alternative building field for 35 years, is the author of fifteen owner-building books and has conducted hundreds of workshops at Earthwood and throughout the world. Together, Rob and Jaki have built Log End Cottage, Log End Cave, Earthwood, Mushwood and numerous other cordwood buildings. Jaki instructs at the hands-on sessions and keeps the school running smoothly from behind the scenes.