Apple has updated iBooks to version 1.3. According to the product description page, the update adds several new features and improvements including improved responsiveness and autoplay of video or audio in enhanced books. Plus, it addressesO an issue where some books displayed the same page twice. However, the big new feature of iBooks 1.3 is the ability for select children's books to be read aloud:
"Help your children learn to read with the new read-aloud feature included in select children's books from the iBookstore. The read-aloud feature uses a real narrator to read the book to you, and in some books, it will even highlight the words as you read along."
