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.

When demonic cheerleaders invade his high school, Percy Jackson hurries to Camp Half Blood, from whence he and his demigod friends set out on a quest through the Labyrinth, while the war between the Olympians and the evil Titan lord Kronos draws near.

After being cast as the Ninja Master in his school's Halloween play, a boy decides it is time to catch the monster in his closet.

"After a monster apocalypse hits town, average thirteen-year-old Jack Sullivan builds a team of friends to help slay the eerily intelligent monster known as Blarg"--

"Winnie Wednesday has gotten everything she thought she wanted. She passed the deadly hunter trials, her family has been welcomed back into the Luminaries, an, overnight, she has become a local celebrity. Unfortunately, it all feels wrong. For one, nobody will believe her about the new nightmare called the Whisperer that's killing hunters each night. Everyone blames the werewolf, even though Winnie is certain the wolf is innocent. On top of that,...

When Ethan checks under the bed for his monster, he finds a note saying that Gabe has gone fishing and will be back in a week. He tries out several substitute monsters, but finds that none are as perfect as Gabe.

Monsters bring their favorite mac and cheeses to a wacky potluck. Includes recipes for vegan mac and Todd mac.

Sixteen-year-old indentured beastkeeper Koffi and seventeen-year-old warrior candidate Ekon forge an unusual alliance and venture into the Greater Jungle to hunt down a monster that has been menacing their city for a century. Includes author's note.

A girl befriends a monster and learns about loneliness, friendship, community, and coping with loss.

When Percy Jackson, a seventh-grade demigod living in New York, learns from his friend Annabeth that someone has poisoned the magical borders that protect Camp Half-Blood, Percy and his friends must journey into the Sea of Monsters to save their camp.