Apple today has rolled out an update to its PDF and EPUB e-book reading app for the iPhone, iPod Touch, and iPad tablet. The new update, now in version 1.2, brings the ability to sort books and PDFs into collections. Now, you can organize your books to have a collection for genres, if you want, or however you want to sort and organize your digital bookshelf. AirPrint integration has also been integrated, so you’ll be able to print PDFs and notes written in iBooks. Also new to version 1.2 is the ability to “experience fully illustrated books, from children’s picture books to beautifully designed art books,” which are available in the iBookstore. More words per page can now be fitted with auto hyphenation of text as well, and will work with iOS 4.2 or later.