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Written By: Rick Riordan Narrated By: Nick Chamian Publisher: Listening Library (Audio) Date: October 2013 Duration: 17 hours 33 minutes CLICK HERE to Listen or Download The Heroes of Olympus, Book Four: The House of Hades by Rick Riordan AUDIOBOOKS audio books free download mp3 The Heroes of Olympus, Book Four: The House of Hades | best free audio books The Heroes of Olympus, Book Four: The House of Hades | full length audio books free The Heroes of Olympus, Book Four: The House of Hades