Letters on Demology and Witchcraft - Complete Edition. The book takes the form of ten letters addressed to Lockhart, the epistolary mode permitting Scott to be both conversational in tone and discursive in method. In these, Scott surveys opinions respecting demology and witchcraft from the Old Testament period to his own day. Lockhart, his son-in-law and a publisher requested Scott research the causes of pararmal phemena from which research this collection of letters has been collated. First published in 1830 it examines the factors behind peoples pararmal experiences, social, cultural, medical and psychological.