This is an incredible app for students with special needs. It connects to the Bookshare.org database and does require a membership ID. However, students and organizations who qualify have access to a tremendous resource.
"From within Read2Go, you can browse, search, download, and read books directly from Bookshare using your Bookshare membership, as well as read DAISY books from other sources. The app gives you full control over visual choices for font size and color, background and highlighting color, and text-to-speech preferences. Read2Go features word-by-word highlighting for multi-modal reading."
This is a great article about the evolution of reading. Given the influx of iPads and eReaders into classrooms, the concept of "books" is certainly changing.
With Pocket, it's possible to curate content to read offline or online. It has similar features as Diigo, but uses a visual interface similar to Flipboard. Definite potential here.
Platform similar to SubText that allows teachers to publish PDF, ePub, Word and Excel & classes / students can read collaboratively on any device. Documents are published using HTML5 = iPad friendly.
Designed for 1st-2nd grade students, Murky Reef combines reading and math skills in the context of exploring a coral reef. This is the free version, though there is a more robust version available for $3.99. Students can review numbers, sight words, and vocabulary. There is some reporting built in.
The LitCharts Library provides chapter summaries to some of the most frequently read books in high school English curricula. It also features an iPhone App for reading. Teachers should be aware of this site as it bills itself as "the faster, downloadable alternative to SparkNotes."
If you are looking for a way to read lots of blogs and web sites from your iPad or iPhone, Google Currents could help. It is an RSS reader that saves content for off-line reading.
Great FREE reading app for pre-school/early readers. Students work through puzzles and games for each letter of the alphabet and build their vocabulary.
This is a great article from UX Magazine. It does a great job defining interactivity and gives video examples of eBooks and eBook apps that have value.