I would like to add the parts that are missing from this set inventory: https://rebrickable.com/sets/DKBATMANVD-1/batman-the-visual-dictionary/#parts
which include Electro Suit Batman's cowl, cape, upper body, and lower body.
However, the mini-fig is exclusive to the book, so only the cape exists in Rebrickable's system. The other parts are prints of existing parts. I do not own the book that the figure came with, and I do not know the print/part number for the pieces. I would be happy to submit the parts, submit the inventory correction, and submit pictures for the parts, but I'm not sure where to start in this situation.