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 Gaea. But, Leo wonders, if the Doors are sealed, how will Percy and Annabeth be able to escape? They have no choice. If the demigods don't succeed, Gaea's armies will never die. They have no time. In about a month, the Romans will march on Camp Half-Blood. The stakes are higher than ever in this adventure that dives into the depths of Tartarus.

Ring in the holidays with Buzz Lightyear, Sheriff Woody, and all the toys from Disney/Pixar "Toy Story " This storybook with press-out ornaments will make a perfect stocking stuffer for children ages 3-7.

Living in the aftermath of the event means that seeing the dead is now a part of life, but Veronica wishes that the ghosts would just move on. Instead, the ghosts aren't disappearing, they're gaining power. When Veronica and her friend, Kirk, decide to investigate why, they stumble upon a sinister plot. One of Veronica's high school teachers is crippled by the fact that his dead daughter has never returned as a ghost. Veronica seems like the perfect body to host her. And even if he's wrong, what's the harm in creating one more ghost?

As this fourth installment of the Percy Jackson & the Olympians series unfolds, time is running out as war between the Olympians and the evil Titan lord Kronos draws near. Camp Half-Blood grows more vulnerable as Kronos's army prepares to invade. To stop them, Percy and his demigod friends set out on a quest through the Labyrinth.

In this highly anticipated sequel to "The Lightning Thief," Percy Jackson discovers there's trouble at Camp Half-Blood--the magical borders protecting Half-Blood Hill have been poisoned. To save Camp Half-Blood, Percy must retrieve the Golden Fleece from the Island of the Cyclops.