"Ante la llamada de socorro de su amigo el satiro Grover, Percy acude inmediatamente en su auxilio. Y aunque va acompanado de Annabeth y Thalia, las dos semidiosas que son sus aliadas, ninguno imagina la sorpresa que los aguarda: una terrible manticora pretende secuestrarlos y llevarlos ante el general enviado por Cronos, el diabolico senor de los titanes. Sin embargo, gracias a la ayuda de las cazadoras de Artemisa, Percy y sus aliadas logran escapar...

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.

When the goddess Artemis goes missing, she is believed to have been kidnapped. And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when...

Seventh grade has been surprisingly quiet for Percy Jackson. Not a single monster has set foot on his New York prep-school campus. But when an innocent game of dodgeball among Percy and his classmates turns into a death match against an ugly gang of cannibal giants, things get...well, ugly. And the unexpected arrival of his friend Annabeth brings more bad news: the magical borders that protect Camp Half-Blood have been poisoned by a mysterious enemy,...