The House of Hades (Heroes of Olympus, Book 4) Rick Riordan (Author) 66 days in the top 100 Release Date: October 8, 2013 Buy new: $19.99 $11.32 (Visit the Best Sellers in Books list for authoritative information on this product’s current rank.)

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#8: The House of Hades (Heroes of Olympus, Book 4)