The long-awaited prophecy surrounding Percy Jackson's sixteenth birthday unfolds as he leads an army of young demigods to stop Kronos in his advance on New York City, while the Olympians struggle to contain the rampaging monster, Typhon.

"Una lucha milenaria. Siete adolescentes en apuros. Y el fin del mundo a la vuelta de la esquina. El destino de la humanidad pende de un hilo: Gea, la madre Tierra, ha abierto de par en par las Puertas de la Muerte para liberar a sus despiadados monstruos. Los �unicos que pueden cerrarlas son Percy, Jason, Piper, Hazel, Frank, Leo y Annabeth, el equipo de semidioses griegos y romanos elegidos por una antigua profec�ia. Pero su misi�on es todav�ia...

Loki the trickster god is free from his chains. Now he's readying Naglfar, the Ship of the Dead, armed with a host of giants and zombies, to sail against the Norse gods and begin the final battle of Ragnarok. It's up to Magnus Chase and his friends to stop Loki's plans, but to do so they will have to sail across the oceans of Midgard, Jotunheim and Niflheim in a desperate race to reach Naglfar before it's ready to sail on Midsummer's Day. Along the...

Jason, Piper, and Leo, three students from a school for "bad kids," find themselves at Camp Half-Blood, where they learn that they are demigods and begin a quest to free Hera, who has been imprisoned by Mother Earth herself. "Cuando Jason despierta, sabe que algo va muy mal. Est�a en un autob�us camino de un campamento para chicos problem�aticos. Y le acompa�nan Piper --una muchacha (bastante guapa, por cierto) que dice que es su novia y...

When the goddess Artemisa disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice.

Carter Kane and his sister must prevent the chaos snake Apophis from breaking free in a few days' time or the world will come to an end. To have any chance of battling these Forces of Chaos, the Kanes must revive the sun god Ra.

Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death, and help Percy and Annabeth escape the Underworld in the process. Gaia, la madre tierra, se ha propuesto destruir el mundo de los mortales con sus tropas de monstruos y gigantes, y solo hay un modo de impedirlo: cerrar las Puertas de la Muerte, por donde estas criaturas est�an escapando de los infiernos. Y, lo m�as importante, hay que hacerlo desde...

When Apophis, the chaos snake, threatens to plunge the world into eternal darkness, siblings Carter and Sade Kane plan to use an ancient spell to destroy the snake, but first must rely on the murderous ghost of a powerful magician.

Minutes before she died, Grace Cahill changed her will, leaving her decendants an impossible decision: You have a choice -- one million dollars or a clue. Grace is the last matriarch of the Cahills, the world's most powerful family. Everyone from Napoleon to Houdini is related to the Cahills, yet the source of the family power is lost. 39 clues hidden around the world will reveal the family's secret, but no one has been able to assemble them.

Magnus and his friends set sail for the farthest borders of Jotunheim and Niflheim in pursuit of Asgard's greatest threat, Loki's demonic ship full of zombies. While Loki prepares his ship, Naglfar, to begin the final battle of Ragnarok, Magnus and his friends set sail to reach the vessel before it's ready, but angry sea gods and a fire-breathing dragon may prevent them from arriving in time.