Find Beaufort 1849 on Apple iBooks, available through the iBooks app or the iTunes Bookstore. Available in six countries--Australia, Canada, France, Germany, United Kingdom, United States. Can be downloaded to the iPad, iPhone, or iPod Touch.
Just out of curiosity, do you use an e-reader? Which one? (Leave a comment!) I've been using a Kindle lately, though I do still peruse regular books.