For a lot of people, they are just paying $20 to have the book. It makes them feel nice through the act of purchase or building a collection. Or maybe it provid

For a lot of people, they are just paying $20 to have the book. It makes them feel nice through the act of purchase or building a collection. Or maybe it provides a safety blanket if you might need it one day, but no need to read it right now. That's a good deal for them.