They were teenagers when they first stumbled upon the horror. Now it is calling them back to Derry, Maine--a force they cannot withstand, an evil without a name...

Frankenstein wants to marry his undead bride in peace, but his best man, Dracula, is freaking out about the garlic bread, and the Headless Horseman wishes everyone would stop drooling over his pumpkin head.

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.

Slither lurks in woods and towns, hunting for human blood, but before he can feast on three lovely sisters, their dying father binds the monster to a bargain.

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.

"Twelve-year-old Rowan is next in line to be Queen; her twin brother, Rhydd, to be Royal Monster Hunter. Rowan would give anything to switch places, but the rule is, the oldest child is next in line, even if she is only older by two minutes. She resigns herself to admiring her royal monster hunter aunt's official sword and having tea with dignitaries with her mother, the queen. But a tragic event breaks up longstanding rules, and now Rowan finds herself...

Looking for fun while visiting his great-aunt Kathryn, Evan buys a dusty can of green monster blood that grows and grows and grows.

"Joan has just learned the truth: her family are monsters, with terrifying, hidden powers. And the cute boy at work isn't just a boy: he's a legendary monster slayer, who will do anything to destroy her family. To save herself and her family, Joan will have to do what she fears most: embrace her own monstrousness. Because in this story...she is not the hero"--

A timid boy, eager to frighten the school bully on Halloween night, acquires a magic ring and the power to change himself into a hideous monster.

"In the start of an all-new series, the bestselling author of Uprooted and Spinning Silver introduces you to a school for the magically gifted where failure means certain death--until one girl begins to unlock its many secrets. Enter a school of magic unlike any you have ever encountered: There are no teachers, no holidays, and no friendships save strategic ones. Survival is more important than any letter grade, for the school won't allow its students...