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.

Demi-god Percy Jackson and his friends must journey into the Sea of Monsters to save their camp. But first Percy will discover a secret that makes him wonder whether being claimed as Poseidon's son is an honor or a cruel joke.

"When an average girl moves to Mt. Olympus, she discovers her new classmates are gods and mythological creatures are actually real - as if junior high isn't hard enough! Karen is just an average thirteen-year-old from New Jersey who loves to play video games with her friends and watch movies with her mom. But when she moves to Greece to live with her eccentric, mysterious father, Zed, suddenly everything she thought about herself - about life - is...

After learning that he is the son of a mortal woman and the 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.

"Se aproxima un futuro dificil: lucha contra monstruos, aventuras por todo el mundo y enfrentamientos con dioses griegos y romanos. ℗A que peligros se enfrentan los semidioses fugitivos Luke y Thalia cuando se dirigen al Campamento Mestizo? ℗Percy y Annabeth podran recuperar los objetos que ha robado un gigante que respira fuego? ℗Como se supone exactamente que Leo, Piper y Jason tienen que encontrar una mesa andante, esquivar un grupo de Maeands...