Original maroon cloth with gilt titles on boards. "First published in 1819, by an ex-clergyman of the established church, and ex-fellow of Trinity College, Dublin, who gave up his living and fellowship for conscience' sake. Republished in 1874, by a believer in primitive Christianity." - title page. These seven letters are believed to be from John Walker and addressed to Alexander Knox, as a part of their arguments over doctrines of the Lord's Supper and Baptism, although nowhere in the book is either person identified. 114 pp.