An Essay On The King�������s-Evil is a book written by Robert Willan and published in 1746. The book is a medical treatise on the disease known as scrofula, which was commonly referred to as the King's Evil in the 18th century. The condition was believed to be a form of tuberculosis that affected the lymph nodes in the neck and was thought to be curable by the touch of the king. Willan's book provides...