Why Carpeter's Gothic ?

 I think the author name the book carpeter's Gothic because, it has something to do with the architectural style and design. I remember in the past class we did research about the word gothic. The gothic world is very dark, evil, there fashion/style is all black. the author chose this name because the book is gloomy. It has to do with Paul and Liz relationships, there is no romance or love. All they do is argue and fight. where liz hide her emotion and Paul is evil.