When you go to the app store, look for the best books. Yes, instead of searching for Twitter, Facebook, a navigational or weather app for your iPad, iPhone or Droid, go to the app store to buy book apps.
What's a book app? They usually have have multi-media features, frequent--sometimes daily--updates and all kinds of web and social media functionality you wouldn't find in a straight up eBook. They live on your mobile device and are becoming more popular every day. Let us know which of the apps you'd download by voting in the slideshow below.