The Mark of Athena (The Heroes of Olympus #3) - Rick Riordan 8.82   245
In The Son of Neptune, Percy, Hazel, and Frank met in Camp Jupiter, the Roman equivalent of Camp Halfblood, and traveled to the land beyond the gods to complete a dangerous quest. The third book in the Heroes of Olympus series will unite them with Jason, Piper, and Leo. But they number only six - who will complete the Prophecy of Seven?
The Greek and Roman demigods will have to cooperate in order to defeat the giants released by the Earth Mother, Gaea. Then they will have to sail together to the ancient land to find the Doors of Death. What exactly are the Doors of Death? Much of the prophesy remains a mystery...

With old friends and new friends joining forces, a marvelous ship, fearsome foes, and an exotic setting, The Mark of Athena promises to be another unforgettable adventure by master storyteller Rick Riordan.


Release date September 29, 2012

Details updated June 24, 2022

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The Heroes of Olympus :: Series

Series contains 5 primary works and has 5 total works.

A new Great Prophecy, a new generation of demigods – the adventures have just begun! In this new five-book series, expect to see your old friends from the Percy Jackson books along with a great new cast of main characters, as the heroes of Camp Half-Blood embark on their most dangerous challenge yet! The Heroes of Olympus is based on Greek and Roman mythology. It is the sequel series to the Percy Jackson & the Olympians pentalogy.

The Lost Hero (The Heroes of Olympus #1) 8.60   348
The Son of Neptune (The Heroes of Olympus #2) 8.94   287
The Mark of Athena (The Heroes of Olympus #3) 8.82   245
The House of Hades (The Heroes of Olympus #4) 8.92   188
The Blood of Olympus (The Heroes of Olympus #5) 8.66   152

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