Summary of the Book Percy, Annabeth, Jason, Piper, Leo, Frank and Hazel are tied to their destinies as the prophesied demigods. Annabeth must hunt for the Mark of Athena, and she might have to do it alone. She could still escape with Percy aboard the Argo II. She knows that something is going to go terribly wrong. When Elle the harpy speaks about the prophecy and Annabeth’s quest, she realizes that they will need to find it soon. The Greek and Roman gods need to stop their war, or else all of humanity will pay the price.
About Rick Riordan Rick Riordan is an American fantasy fiction writer. He is best associated with the Percy Jackson
Richard Russell "Rick" Riordan, Jr. ( born June 5, 1964) is an American author. He is known for writing the Percy Jackson & the Olympians series, which is about a twelve-year-old boy who discovers he is a son of Poseidon. His books have been translated into 42 languages and sold more than 30 million copies in the US. Twentieth Century Fox has adapted the first two books of his Percy Jackson series as part of a series of films. His books have spawned related media, such as graphic novels and short story collections. Riordan's first full-length novel was Big Red Tequila, which became the first in a series, the Tres Navarre series. His big breakthrough was The Lightning Thief (2005), the first novel in the five-volume Percy Jackson series, which placed a group of adolescents in a Greco-Roman mythological setting. Since then, Riordan has written The Kane Chronicles trilogy and The Heroes of Olympus series. The Kane Chronicles (2010-2012) focused on Egyptian mythology; The Heroes of Olympus was the sequel to the Percy Jackson series. Riordan also helped Scholastic Press develop The 39 Clues series and its spinoffs, and penned its first book, The Maze of Bones (2008). His most recent publications are two books in the Magnus Chase and the Gods of Asgard series, based on Norse mythology. The first book of his The Trials of Apollo series based on Greek mythology, The Hidden Oracle, was released in May 2016.