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.

Athena's arrogance throws a wrench into her plans to improve King Minos's labyrinth.

When a mermaid goes for a swim, she gets lost in a kelp maze. How will she find her way home? --from Google books

"Prinec Ruprecht is very upset that knights-in-training Tim and Belinda have thwarted his plans and ruined his chances with Princess Grace. So to get even, he has kidnapped the princess and trapped her in the most complicated...and scariest maze in all the world! Now it's up to Tim, Beinda, Ferkle, and Rover to...find their way through the labyrinth...and rescue the princess before time runs out."--

Thirteen-year-old Dahlia's reluctance about attending Camp Arava changes to wonder as strange things begin to happen, and soon she is connecting with David Schank, a student of the kabbala, and the maze he built at the camp in the 1930s.

Brothers Wu and Garmadon both want to become Spinjitzu Masters, but there are many who stand in their way, and they will have to learn to trust each other when they find themselves stuck inside a trap-filled maze with someone who may be an ally... or a deadly foe.

Now that Tag and Skyla have found Blaze's firehawk family they would like to return home to Perodia, even if it means leaving their friend behind; but in order to find the magic that will open a new portal they must first brave a mysterious underground maze where the walls are constantly shifting--and when they do find their way home there is a deadly surprise waiting for them.

Sixteen-year-old Thomas wakes up with no memory in the middle of a maze and realizes he must work with the community in which he finds himself if he is to escape.

"When Karen moved to Mt. Olympus, she certainly didn't expect to start junior high with a bunch of gods and goddesses--let alone discover she's a demigoddess (who doesn't yet know her powers)! Having recently joined the school newspaper, Karen decides to investigate a mysterious online troll that goes by the moniker M1N0T4UR. This leads her to a treacherous maze beneath the school where Karen and her friends must complete a set of phases to leave...

In the third volume of Pip Bird and David O'Connell's laugh-out-loud illustrated chapter book series, Mira and her unicorn Dave have to face the ultimate challenge: a school dance--