MyBookTable 2 ISBN option

I LOVE LOVE LOVE this new plugin! My Book Table is absolutely great for authors! It offers just about everything an author may need to promote their book(s) on their website – shy maybe one thing? My children’s books have been published in Hardback AND Paperback. There are options for ASIN’s other ebooks, audiobooks, every location to purchase etc. But I can’t do two ISBN’s one for the paperback and one for the hardback. Can you add a feature, a plugin addendum maybe, that adds one more ISBN option for hardback books to the pages? THANK YOU!!!