The book "A treatise on the art of midwifery, in which the various abuses, particularly in the practice of instruments: fully directing all intelligent inquirers in the right way to safely form their own opinion on the question; What is it." Author: Elizabeth Nill. A book of considerable interest to medical professionals and anyone interested in the history of midwifery and issues related to its practice. As an experienced obstetrician and author, Elizabeth Niall explores the subject of abuse in midwifery practice and the impact of the use of instruments on the birth process. The book gives readers the opportunity to independently form an informed opinion on these issues, as well as to expand their knowledge about the development of midwifery in the past.