""Seven Letters to Elias Hicks, on the Tendency of His Doctrines and Opinions: With an Introductory Address to the Society of Friends"" is a book written by Robert Waln and published in 1825. The book is a collection of seven letters written by Waln to Elias Hicks, a prominent Quaker preacher and theologian, in response to Hicks' controversial views on Christianity and Quakerism. In the letters, Waln critiques Hicks' beliefs and argues that they are...