Red Pyramid
On May 4, 2010, a fourteen-hour and 32 minute audiobook version of "The Red Pyramid", read by Katherine Kellgren and Kevin R.Free, who later read all the audiobooks in the series, was published worldwide by "Brilliance Audio". On October 2, 2012, a graphic novel version of "The Red Pyramid", adapted and illustrated by artist Orpheus Collar, was published worldwide by Disney Hyperion. On September 7, 2012, pictures from the graphic novel were released by Rick Riordan on his official website.