The Mark of Athena

Annabeth is terrified. Just when shes about to be reunited with Percy—after six months of being apart, thanks to Hera—it looks like Camp Jupiter is preparing for war. As Annabeth and her friends Jason, Piper, and Leo fly in on the Argo II, she cant blame the Roman demigods for thinking the ship is a Greek weapon. With its steaming bronze dragon figurehead, Leos fantastical creation doesnt appear friendly. Annabeth hopes that the sight of their praetor Jason on deck will reassure the Romans that the visitors from Camp Half-Blood are coming in peace.And thats only one of her worries. In her pocket, Annabeth carries a gift from her mother that came with an unnerving command Follow the Mark of Athena. Avenge me. Annabeth already feels weighed down by the prophecy that will send seven demigods on a quest to find—and close—the Doors of Death.