The Mark of Athena (Heroes of Olympus Book 3)
(Author) Rick RiordanOne fatal prophecy. Seven brace demigods. A quest to find - and close - the doors of death. Annabeth and her friends Piper, Jason and Leo have landed at camp Jupiter with one mission in mind. The time has come for Roman and Greek demigods to unite. With Percy Jackson, Hazel and Frank by their side, they must combine forces to find - and close - the Doors of Death. But Annabeth is hiding a secret - a command from her mother, the goddess of war and wisdom: 'Follow the Mark of Athena, Avenge me.' Annabeth is already risking her life . . . What more does Athena want her daughter to do? Now the seven demigods must begin their quest across land and sea to Rome, but what will they have to sacrifice this time - and what unspeakable horrors await?
Rick Riordan
Rick Riordan is a bestselling American author known for his mythology-inspired fantasy novels for young readers. Born on June 5, 1964, in San Antonio, Texas, Riordan gained international fame with the Percy Jackson & the Olympians series, which reimagines Greek mythology in a modern setting. His works, including the Heroes of Olympus, Kane Chronicles, and Magnus Chase series, explore diverse mythologies with humor, adventure, and relatable characters. Riordan’s books have sold over 100 million copies worldwide and inspired successful adaptations, making him a beloved figure in children's literature.