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.

"The secrets of Pineapple Cove are about to be revealed...10-year-old Kai is thrilled to be chosen as a junior protector of Pineapple Cove. But when a sea monster threatens the island, Kai isn't sure if he's the right protector for the job. Island girl Delphi longs to be accepted by the rest of the Cove. But when you're terrified of water and your only friend is a sea lion, being accepted is not so easy. Together, Kai and Delphi must face their fears,...

Tea's life, and the fate of the kingdoms, hang in the balance as the Dark grows in her day by day.

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.

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.

Die-cut pages through which bits of a monster are revealed are designed to help a child control nighttime fears of monsters.

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.

Penny knows that her mother works for somebody called the POTUS, but she does not know what that means, and the odd name seems to her to imply some kind of friendly monster.

Rob Burnside thinks he's getting the hang of things. It almost seems as if he has learned all he needed to from his unusual closet. Beardy, the doorknob, has it locked up and there are no signs of the closet door opening again. But something slips from the closet unnoticed and that something is part Gollum, part Cat in the Hat. He's an intense creature with mad rhyming skills. When Rob's family wins a trip to Colorado, something extra makes it into...

"An earth monster decides to move in with a human family"--