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.

When the goddess Artemis disappears while hunting a rare, ancient monster, a group of her followers joins Percy and his friends in an attempt to find and rescue her before the winter solstice, when her influence is needed to sway the Olympian Council regarding the war with the Titans.

Armed with the ability to tame and control the monstrous daeva, Tea enacts her revenge against the royals who wronged her, but she is hampered by her disapproving brother and pursued by enemies wishing to use her dark magic for themselves.

With gentle prodding from the narrator and help from the reader, four monsters are led to face their greatest fear--bubbles.

"Simon Snow is the worst Chosen One who's ever been chosen.That's what his roommate, Baz, says. And Baz might be evil and a vampire and a complete git, but he's probably right.Half the time, Simon can't even make his wand work, and the other half, he starts something on fire. His mentor's avoiding him, his girlfriend broke up with him, and there's a magic-eating monster running around, wearing Simon's face. Baz would be having a field day with all...

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 to stop the Lord of Time.

Moopy's day at the beach is almost ruined when another monster named Ora begins digging for gold all around Moopy. The two monsters then make a deal that Moopy will help Ora dig, if Ora invites Moopy to try out her new gold dance floor.

Ora wants to win the Strong Monster Contest. The first place winner gets a statue of gold! Ora works. She trains. She cannot think of anything else. Maybe Ora needs to learn that gold isn't everything.

Dory is brand-new to her neighborhood, so it's a good thing she has a pet monster to keep her company. When she tells the mailman about her monster, he doesn't believe her. Dory begins to get angry that he's not taking her seriously, so she opens up the mailbox to show him the monster-only to find that the mailbox is empty! Is Dory's monster real, or part of her imagination? Find out what happens to Dory, the mailman, and many others in this collection...

Three Claws loves living in the quiet mountain village. He is very popular, but he has one big problem. The other mountain monsters don't know what to do with him. Will Three Claws be forced to leave the village?