Well, there were many. I am reading Little Pilgrim's Progress, and I do not know how much alike it is to the real Pilgrim's Progress. But the main ones in Little Pilgrim's Progress-or at least as far...
It is a metaphor for the Christian's journey to heaven, the main character being called Christian. He encounters obstacles like the Slough of Despond-a slough being an area of swampland, despond...