Digital Portfolio Publication
Digital Portfolio Publication is another way of extending the reach to which your portfolio may stay in the collection of employers and clients. Other designers may also find your work in the iBookstore.
iBooks Author is easy to use software for creating a Digital Publication of a design portfolio.
Blurb also offers an eBook export option that can also get your portfolio into the iBookstore.
If you have the time and patience to follow detailed instructions you may even find your portfolio perfect as a free app for iTunes or Android Marketplace.