Notes of Open-Air Sermons is a book written by Edward Walker and published in 1870. This book is a collection of sermons that were delivered by the author in the open-air, which was a popular method of preaching during the Victorian era. The sermons cover a wide range of topics, including sin, salvation, faith, and the importance of living a moral life. The book provides a unique insight into the religious practices and beliefs of the time, as well...