Ravenskill is hosting the Golden Frog Games, a magical tournament, but somebody is using forbidden hexes to turn contestants into stone; meanwhile Seven Salazar, future "uncle" of Ravenskill, who is supposed to have the power to communicate with animals, has a secret--the only voices she hears belong to the deadly monstruos.

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!...

While being snowed in at the old Helsing manor, Ham has his hands full trying to keep his friends safe from his very much alive legendary monster hunter dad.

"Kelly Crosby is the new kid in school. So far, it's not going so well. He's already gotten lost, had trouble making friends, and annoyed the monster that lives in the school basement. That's right. This new school has a monster. Every year, at a party called Friiight Night, one (un)lucky kid is chosen to be the monster's special guest of honor. Guess whose luck is about to run out?"--

When 15-year-old Clary Fray heads out to the Pandemonium Club in New York City, she hardly expects to witness a murder -- much less a murder committed by three teenagers covered with strange tattoos and brandishing bizarre weapons. Then the body disappears into thin air. It's hard to call the police when the murderers are invisible to everyone else and when there is nothing -- not even a smear of blood -- to show that a boy has died. Or was he a boy?...

"Oskar and and his bear Theodore must save the day when an angry monster barges into the library ... and thinks it's an all-you-can-eat buffet!"--

When a monster meets his neighbor's new baby he discovers true terribleness can come in tiny packages.

Alexander and his new friend, Rip, are worried that the worms the rain has brought out are really the megaworms that Notebook of Doom describes but they soon discover that the night crawlers are trying to warn them about the monster tunnel fish that are threatening Stermont Elementary.

When Alexander and his friends find a very large footprint and piles of candy everywhere, they realize the school is being threatened by a Piñata-saurus Rex, a sweet-tasting monster who likes to smash things--and they find that the solution may be as near as a broken ant farm.