Heroes of Olympus. Afina mark. Book 3. Riordan R.

Seven Heroes led by Persia Jackson, Annabeth Chase and Jason Grace will have to travel the Flying Ship Argo II full of dangers. In order for the great prophecy to be fulfilled and the world is able to survive a new war with the sons of Gaia, mighty titans, friends must find and close the gates of death. But one more, a special test is waiting for Annabeth. And on whether the daughter of Athens can cope with him, the fate of the two camps of the half -bloods - both Greek and Roman...

is the third book of the Cycle Heroes of Olympus.