Disney Orders 3.5 Million First Printing of Riordan Book

First Printing of 3.5 Million Copies Ordered by Disney for Rick Riordan’s Latest Book: Disney Publishing Worldwide (DPW) announced a 3.5 million first printing of “The Mark of Athena,” the third book in the best-selling “Heroes of Olympus” series by Rick Riordan. “The Mark of Athena” will be simultaneously released in hardcover and as an eBook from Disney Publishing’s Disney-Hyperion imprint, and as an audio version through Listening Library on Oct. 2, 2012.