For the third week in a row, Al Gore‘s Our Choice is the top grossing iPad app for the week, according to research from AppData, Inside Network’s data service that tracks app and developer leaderboards.

The innovative app was designed by Push Pop Press, the eBook design company purchased by Facebook last week. To prepare for Mediabistro’s upcoming Publishing App Expo on December 7-8, we spotlight the top grossing book apps every week–helping our readers discover and analyze successful content.

Below, we’ve listed the top ten grossing iPad apps of the week–linking to App Data’s research about each individual app, including historical charts, developer information and app pricing details.

10 Top Grossing iPad Apps (Books Genre)

Tuesday August 23rd

1. Our Choice Our Choice
2. Comics Comics
3. Marvel Comics Marvel Comics
4. DC Comics DC Comics
5. Bible+ Bible+
6. Nighty Night! HD Nighty Night! HD
7. The Elements: A Visual Exploration The Elements: A Visual Exploration
8. Kings and Queens by David Starkey Kings and Queens by David Starkey
9. Princess Dress-Up: My Sticker Book Princess Dress-Up: My Sticker Book
10. NIV Bible BibleReader NIV Bible BibleReader

More detailed stats are available at AppData Pro, Inside Network’s data service supplying performance data, including historical user data, audience demographics, and company information for developers and applications.