Depending on what you're looking for, "paper" for Barbie and the Diamond Castle typically refers to either official tie-in books or creative art supplies for DIY projects .
Since the movie's release in 2008, several paperback and paper-based products have been released: Barbie and the Diamond Castle
If you are a collector, some original DVD releases include a paper insert with movie details or advertisements. Art & DIY Supplies Depending on what you're looking for, "paper" for