All year the half-bloods have been preparing for battle against the Titans, knowing the odds of victory are grim. Kronos's army is stronger than ever, and with every god and half-blood he recruits, the evil Titan's power only grows. While the Olympians struggle to contain the rampaging monster Typhon, Kronos begins his advance on New York City, where Mount Olympus stands virtually unguarded. Now it's up to Percy Jackson and an army of young demigods...

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.

"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...

How do you punish an immortal? By making him human. After angering his father Zeus, the god Apollo is cast down from Olympus. Weak and disorientated, he lands in New York City as a regular teenage boy. Now, without his godly powers, the four-thousand-year-old deity must learn to survive in the modern world until he can somehow find a way to regain Zeus's favour. But Apollo has many enemies -- gods, monsters, and mortals who would love to see the former...

Just after finding Bianca and Nico, two newly discovered half-bloods, Percy, Grover, Annabeth, and Thalia end up trapped between a helicopter and a manticore. Artemis and her Hunters save the day, but Annabeth disappears over a cliff; then Artemis rushes off to hunt a dangerous monster. Back at Camp Half-Blood, the Oracle foretells that Artemis must be rescued and makes a prediction that bodes ill for one of their number?but which one? Percy, who...

When ten-year-old Zeus is kidnapped, he discovers he can defend himself with a magical thunderbolt.

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.

Despite the warnings of her friends at Mount Olympus Academy, Persephone befriends bad-boy Hades, but following her mother's advice to "go along to get along" complicates her relationships with all of them.

"After being tricked into releasing the gods from their captivity on Olympus, Helen Hamilton must find a way to re-imprison them without starting a devasting war, all while fighting the ever-growing passion she feels for her forbidden love, Lucas Delos."--

A giant spiderweb appears in the sky with a message for Zeus and the other Olympians. Trying to dodge the sticky web causes the Olympians to get separated again. Zeus, Poseidon, Hera, and Athena seek Athena's magical object, Threads of Cleverness. They also face Cronus and manage to escape until the time is right to battle and defeat him.