According to the Hachette Book Group, James Patterson‘s iPad/iPhone app has been downloaded close to 14,000 times, with 80 percent of people who have downloaded the app, engaging with it.

The Hachette press release has more: “In addition to this audience, there are also hundreds of thousands of followers on book-specific Facebook pages for Patterson’s young readers series such as Witch & Wizard and Maximum Ride. There is a dedicated website, an app, and interactive games for Middle School: The Worst Years of My Life, Patterson’s latest title for young readers launching on June 27.”

The author has sold more than three million eBooks.