In this latest installment of Arnold's #1 "New York Times"-bestselling series, Buzz has a nightmare that his best friend Fly Guy has created a gigantic Frankenfly monster.

Leonardo is a terrible monster -- he can't seem to frighten anyone. When he discovers the perfect nervous little boy, will he scare the lunch out of him? Or will he think of something better?

"Foon's boy, Clark, is kidnapped by an evil monster bent on revenge and Foon must enter the Darkness in order to save him"--

A naughty little boy, sent to bed without his supper, sails to the land of the wild things where he becomes their king.

While on her way to brunch with another princess, Magnolia, and her unicorn Frimplepants, transform into the Princess in Black and Blacky to respond to a monster emergency.

Ian always follows the rules and his sister, Jenny, never does but when she angers some monsters while breaking all the rules of their vacation house in the woods, Ian first runs away, then realizes there should be a rule about protecting your sister from being eaten by monsters.

Noseholes and elephants! A pet-eating monster interrupts a perfect playdate with Princess Sneezewort ... but who is that new masked avenger? Princess Magnolia and Princess Sneezewort have plans ... mysterious plans, like a princess playdate! They dress-up slam! They karaoke jam! They playhouse romp and snack-time stomp! But then a shout from outside Princess Sneezewort's castle interrupts their fun. It's a monster trying to eat someone's kitty! This...

A fun-filled day at the monster playground features exuberant little monsters swinging, sliding, running three-legged races, and sharing monster-sicles.

"A monstrously fun story that puts a wholesome twist on a familiar fear."--Publisher's description.

How do you handle an encounter with Medusa on the New Jersey interstate? What's the best way to take down a minotaur? Become an expert on everything in Percy's world with this must-have guide to the Percy Jackson and the Olympians series. Complete with interviews, puzzles, games, and original short stories by Rick Riordan.