The Heroes of Olympus Books in Order

novel series by Rick Riordan

1. 1.The Lost Hero(2010)2010 novel by Rick Riordan
2. 2.The Son of Neptune(2011)2011 novel by Rick Riordan
3. 3.The Mark of Athena(2012)2012 novel by Rick Riordan
4. 4.The House of Hades(2013)2013 novel by Rick Riordan
5. 5.The Blood of Olympus(2014)2014 novel by Rick Riordan
6. 6.The Demigod Diaries(2012)2012 short story collection by Rick Riordan and Haley Riordan

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