Well, without having read 'a stranger on the beach a novel', it's difficult to say precisely. However, generally speaking, a novel with such a title could be centered around a person who is a stranger in the context of the beach setting. It could explore themes like isolation, as the beach can be both a beautiful and lonely place. It might also deal with the idea of new beginnings, as the beach often symbolizes a place of relaxation and rejuvenation. The stranger could bring a new perspective or a set of problems into the life of the protagonist, leading to a journey of change and growth.
The 'return to the beach house' in 'A Beach House Novel' could hold various significance. It might be a place of nostalgia, where the characters have past memories. It could also be a symbol of a new beginning or a place of refuge from the chaos of their normal lives.
In most cases, 'The Stranger' is not a graphic novel. It could potentially be a fictional story presented in a traditional prose format, focusing more on descriptive text and character development through written words rather than visual illustrations.