The Heroes of Olympus by Rick Riordan (series)

From Book Trigger Warnings

The Heroes of Olympus is a series of novels by Rick Riordan. It includes the following novels:

Book # Title/Author
1 The Lost Hero by Rick Riordan
2 The Son of Neptune by Rick Riordan
2.5 The Demigod Diaries by Rick Riordan
3 The Mark of Athena by Rick Riordan
4 The House of Hades by Rick Riordan
4.5 Percy Jackson's Greek Gods by Rick Riordan
5 The Blood of Olympus by Rick Riordan
5.5 Percy Jackson's Greek Heroes by Rick Riordan
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