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.

¿Cómo castigar a un inmortal? Haciéndolo humano ... Tras enfurecer a Zeus, el dios Apolo es desterrado del Olimpo. Débil y desorientado, aterriza en la ciudad de Nueva York convertido en un chico normal. Sin sus poderes divinos y bajo la apariencia de un adolescente que disimula sus cuatro mil años de edad, Apolo deberá aprender a sobrevivir en el mundo moderno mientras busca la manera de recuperar la confianza de Zeus. Pero entre dioses, monstruos...

Nico, the son of Hades, and his boyfriend Will, the son of Apollo, travel to Tartarus, the deepest, darkest part of the Underworld as they attempt to rescue an old friend. As the son of Hades, Nico di Angelo has been through so much, from the premature deaths of his mother and sister, to being outed against his will, to losing his friend Jason during the trials of Apollo. But there is a ray of sunshine in his life-literally: his boyfriend, Will Solace,...

Dance prodigy Karma Clark's unrequited love for Danny is unbearable until Aaryn, son of Cupid, tries to fix his mistake and ends up falling in love with the beautiful dancer from Wisconsin who can never love him in return.

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.

As Pandy, Iole, and Homer travel to Baghdad to seek another deadly evil--rage--they face a lethal sandstorm and worse, while Alcie is aided by Persephone, the queen of the underworld.

When the Little Olympians engage in a series of competitions to develop their strengths, Athena uses strategy and cunning to help her stay in the games.

Zeus and the rest of the Olympians try to rescue Artemis from the clutches of a Titan named Crius who has her under a sleeping spell.

"A clash between the Titans and The Olympians at sea leaves Zeus and his friends shipwrecked--and in a tidal wave of trouble--in this Heroes in Training adventure" -- "After an encounter with Uranus, God of the Sky (and father of the Titans), the Olympians find themselves in the middle of a battle between two big-time Titans. On Cronus's orders, Titan Oceanus dives into the sea and causes it to turn even stormier. He's heading straight for the Olympians'...

After capturing jealousy from a priestess in Crete, Pandy, her friends Alcie and Iole, and her little dog Dido, brave many obstacles as they travel to Egypt in search of the second of the seven evils--vanity.