Серия книг «Heroes of Olympus» — 4 книги

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 prophecy 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.

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.…

Despite surviving their many deadly quests, Percy, Jason, Annabeth and the rest of the crew are no closer to defeating the all-powerful Earth Mother, Gaia. Now her army of giants has risen and they're stronger than ever.
They must be stopped before the Feast of Spes, when Gaia will sacrifice two demigods in Athens. She needs their blood - the blood of Olympus - in order to awaken.
But how can a handful of young demigods hope to battle against Gaia's legion of giants? In spite of the terrible danger that awaits them in Athens, they have no choice.
Because, if Gaia wakes, it is game over. For them all.

Despite surviving their many deadly quests, Percy, Jason, Annabeth and the rest of the crew are no closer to defeating the all-powerful Earth Mother, Gaia. Now her army of giants…

Though the Greek and Roman crew members of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have risen - all of them - and they're stronger than ever. The gods, still suffering from multiple personality disorder, are useless. How can a handful of young demigods hope to persevere against Gaea's army of powerful giants? As dangerous as it is to head to Athens, they have no other option. They have sacrificed too much already. And if Gaea wakes, it is game over...

Though the Greek and Roman crew members of the Argo II have made progress in their many quests, they still seem no closer to defeating the earth mother, Gaea. Her giants have…