Book covers - wrapping paper

I had an idea about creating wrapping paper that the books could be wrapped in, I would print the pattern onto acetate/tracing paper.
I'm not sure whether to have the books as a box set or just have them individually, then they can be wrapped with the book mark slotted inside. Also there is an option on whether you can purchase the chocolate (or should I sell the chocolate as part of the package with the book and book mark?

Open publication - Free publishing - More book

Ideas for 'The Beach' wrapping paper

Open publication - Free publishing - More book

Considering other patterns with a design,