The Olympians must travel to the Island of Lemnos to find Artemis her magical item, a bow and arrow. While on they island they must try to awaken Artemis who has a sleeping spell on her. They also encounter Hephaestus, another Olympian, and bring him with the group.

"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...

"Demon's life on Mount Olympus has never been busier. Thanks to the awful heroes down on Earth, Demon has even more injured beasts to care for. And worse still, the goddess Psyche wants Demon to "borrow" Zeus's prized eagle for an urgent mission. But is her task worth the risk of offending the king of the gods?"

"After battling fireball-throwing Titans, the young Olympians find themselves on a double quest: Not only must they find more Olympians that Cronus has swallowed, but they're also in search of magic seeds that will help rejuvenate the earth after the terrible drought that plagued the lands, thanks to Hyperion. But a wind-throwing giant named Typhon has other ideas. Can the Heroes in Training withstand the storms that are coming their way?"--Information...

Percy Jackson is about to be kicked out of boarding school...again. And that's the least of his troubles. Lately, mythological monsters and the gods of Mount Olympus seem to be walking straight out of the pages of Percy's Greek mythology textbook and into his life. And worse, he's angered a few of them. Zeus's master lightning bolt has been stolen, and Percy is the prime suspect. Now Percy and his friends have just ten days to find and return Zeus's...