John Bunyan 
Life and Death of Mr. Badman 

The Life and Death of Mr. Badman; Presented to the World in a Familiar Dialogue Between Mr. Wiseman and Mr. Attentive is a 1680 book by John Bunyan. It was designed as a companion to The Pilgrim’s Progress and was published by Nathaniel Ponder. The two characters have a dialogue about sin and redemption over the course of a long day. (Excerpt from Wikipedia)