After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a war between the gods.

"The Underworld usually isn't really meant to be a fun place - but tell that to Hades! He loves the dark and the stinky smell of sulfur. However, there is one thing that Hades is not a fan of: dogs. And when Zeus and his fellow Olympians encounter Cerberus - a snarling, three-headed dog - Hades must conquer his fears and tame the hound so everyone can continue into the Underworld and deposit their Titan prisoner, Oceanus, back where he belongs!"--Information...

"The rumor mill of Olympus is constantly churning, but Persephone and Hades are all anyone can talk about. With the constant gossip creating intense pressure on the pair, they decide to slow down their budding romance and focus on sorting out their own issues first. But that's easier said than done. Hades struggles to find support in his personal life, with Zeus trivializing his feelings and Minthe resorting to abusive patterns in their relationship....

Despite the warnings of her friends at Mount Olympus Academy, Persephone befriends bad-boy Hades, but following her mother's advice to "go along to get along" complicates her relationships with all of them.

"The Gods of Olympus randomly select humans as their tokens and then gamble with their lives. The stakes are high and survival is unlikely. 16-year-old Ara is seeking revenge on the Gods for allowing her sister to die in the games. She's determined to be selected as a token, but when she is, she realizes that it isn't just her life at stake, but also her heart. With the odds stacked against her, it will take an unlikely hero to twist her rage into...

"At the conclusion of The Mark of Athena, Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea's forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors from both sides and prevent the giants from raising...

At the conclusion of The Mark of Athena, Annabeth and Percy tumble into a pit leading straight to the Underworld. The other five demigods have to put aside their grief and follow Percy's instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaea's forces, and Percy and Annabeth can survive the House of Hades, then the Seven will be able to seal the Doors both sides and prevent the giants from raising Gaea....

A retelling of the myth of Hades and Persephone. Hades, the god of the Underworld, kidnaps Core, renaming her Persephone and proclaiming her Queen of the Underworld. Core's mother Demeter vows to bring her back--even if it means destroying humankind.

Percy padece dislexia y dificultades para concentrarse. Objeto de burlas por inventarse historias fantásticas, ni siquiera él mismo acaba de creérselas hasta el día que los dioses del Olimpo le revelan la verdad. After learning that he is the son of a mortal woman and Poseidon, god of the sea, twelve-year-old Percy is sent to a summer camp for demigods like himself, and joins his new friends on a quest to prevent a war between the gods.

Having proven himself capable of caring for the mythical creatures that dwell on Olympus, eleven-year-old Demon is summoned by the great god Hades to the Underworld to tend to Cerberus, the three-headed dog Guardian of the Underworld, which has been beaten by Demon's nemesis, Heracles.