Describes the gods, goddesses, and mythical animals that figure in the novels of Rick Riordan, including the Heroes of Olympus series and the stories about Percy Jackson.

What dangers do runaway demigods Luke and Thalia face on their way to Camp Half-Blood? Are Percy and Annabeth up to the task of rescuing stolen goods from a fire-breathing giant who doesn't take kindly to intruders? Four short stories plus original art, interviews, puzzles, and games, reveal new insights into the world of Percy Jackson and the other heroes of Olympus.

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.

"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 Percys instructions to find the mortal side of the Doors of Death. If they can fight their way through the Gaeas 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...

"THE LIGHTNING THIEF: Twelve-year-old Percy Jackson is on the most dangerous quest of his life. With the help of a satyr and a daughter of Athena, Percy must travel across the United States to catch a thief who has stolen the original weapon of mass destruction - Zeus's master bolt." --from back cover. "THE LOST HERO: Three demigods named Jason, Piper, and Leo make their first visit to Camp Half-Blood, where they inherit a blood-chilling quest....

Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank, go on a quest to free Death, but their bigger task is to unite the Greek and Roman camps so that the Prophecy of Seven can be fulfilled.