iBooks has made an appearance in the app store today, like the kindle you can download free samples of books. The application only works on the iPad and US store currently.
Download the iBooks app free from the App Store.* More than a great ebook reader, it’s also an amazing place to browse and shop for books — anytime, day or night. Tap the iBooks icon and your bookshelf appears. In the upper-left corner, you’ll find the Store button. Tap it and the bookshelf flips around like a secret passageway to reveal the iBookstore, where you can browse books by title, author, or genre. View what’s featured on the iBookstore, the New York Times best-seller lists, and more. When you find a book you like, tap it to see more details, peruse reviews, even read a sample. Buy the book and it appears on your bookshelf. You can start reading right away.