A History of the Warfare of Science with Theology in Christendom, Volume One by Andrew Dickson White <https://archive.org/search.php?query=creator%3A%22Andrew+Dickson+White%22> Volume One of this Two-Volume work is now available on Archive.org: https://archive.org/details/history_warfare_science_theology1_2304_librivox Biographer Albert Bigelow Paine mentioned that this book was one of Mark Twain's favorite books, near the end of his life. Barbara Schmidt, in her TwainQuotes.com says, "Mark Twain referred to Dickson's book saying, 'When you read it you see how those old theologians never reasoned at all'" Twain's personal copy of White's two volumes are heavily marked with his marginalia.