"After a summer spent trying to prevent a catastrophic war among the Greek gods, Percy Jackson is finding seventh grade unnervingly quiet. His biggest problem is dealing with his new friend, Tyson, a six-foot-three, mentally challenged homeless kid who follows Percy everywhere. But things don't stay quiet for long. Percy soon discovers that there is trouble at Camp Half-Blood: the magical borders that protect Half-Blood Hill have been poisoned, and...

After learning that the father he never knew is Poseidon, God of the Sea, Percy Jackson is transferred from boarding school to Camp Half-Blood, a summer camp for demigods, and becomes involved in a quest to prevent a war between the gods.

"Phew, it's hot! Under the titan Hyperion's rule, the sun is burning even brighter than normal and scorching everything in northern Greece--including the villagers! The Olympians are forced to play a sizzling "game" of Dodge the Sunbursts as Hyperion hurls giant fireballs that could fry them to pieces! Armed with some clues, Zeus, Poseidon, and Hades set out to figure out why in the world Hyperion has been making things so hot. They also need to rescue...