What James thinks is going to be just another ordinary birthday with family, takes an unexpected turn when one of his presents takes him to a world beyond his imaginations. A land where legends, dragons and mythology run rampant and anyone could be something terrible or fantastic. He struggles to explore himself and the new world around him, discovering a plot that could threaten to unravel more than just the realm but even his home. With the help of his new friends, James begins to learn that the mightiest weapon might not be in swords or magic but with words and the power of the mind.

Prometheus warned Percy that he was fighting the modern day Trojan War, but no one realized how literally he meant it. Percy must now juggle his godhood, the Dioscuri, love for Thalia, an ancient army of Troy, and the mystery rising from the west. Perlia.