Vook posted this offer on their blog yesterday, ands since it's a 1 day deal you'd better move fast. They're giving away 4 apps:
The Autobiography of Ben Franklin
Franklin wrote the most popular autobiography in history, and it’s even more awesome with expert commentary in videos.
Dracula’s Guest is the short story that Bram Stroker wrote before Dracula made him famous. And it will show you just how powerful his imagination always was.
The Three Little Pigs
One of the greatest and most retold stories in history comes to life with images and narration. Guaranteed to blow your house down.
The Sherlock Holmes Experience
With this app, you can do your own investigation along with literature’s greatest detective. Read the stories, and watch videos about Holmes’s London.
via the Vook blog