The Heroes of Olympus, Book Three The Mark of Athena

Embark on a thrilling adventure with Annabeth and her friends as they journey to Rome in search of the Doors of Death. Annabeth is tasked with following the Mark of Athena, but fears Percy may have changed in her absence. With war looming and unspeakable horrors ahead, will they be able to find the Doors of Death and close them? Expertly narrated by four demigods, The Mark of Athena is an unforgettable journey full of important discoveries and surprising sacrifices. Board the Argo II and join the quest, if you dare.