Written by Julie Vegas on Monday, October 1st, 2012

Disney Publishing Worldwide has announced a 3.5 million copy first printing of the new novel The Mark of Athena from author Rick Riordan. The book is the third installment of Riordan’s Heroes of Olympus series. The novel will be released in hardcover, eBook and audiobook formats on October 2nd, 2012.

Riordan currently has over 33 million copies of his books in print in the United States, including all three of his series – Percy Jackson and the Olympians, the Kane Chronicles and the Heroes of Olympus series. His books have been translated into 37 different languages and are sold in 36 different countries.

To help promote the book, Rick is going on a North American tour throughout the United States and Canada starting on the release date (Oct. 2). “Camp Half-Blood” and “Camp Jupiter” t-shirts will be given out during his appearances.

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