The stakes have never been higher. If Percy Jackson and Annabeth fail in their quest, there'll be hell on Earth. Literally.Wandering the deadly realm of Tartarus, every step leads them further into danger. And, if by some miracle they do make it to the Doors of Death, there's a legion of bloodthirsty monsters waiting for them.Meanwhile, Hazel and the crew of the Argo II have a choice: to stop a war or save their friends. Whichever road they take one thing is certain - in the Underworld, evil is inescapable.
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.