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.

Demigod Percy Jackson, still with no memory, and his new friends from Camp Jupiter, Hazel and Frank, go on a quest to free Death, but their bigger task is to unite the Greek and Roman camps so that the Prophecy of Seven can be fulfilled.

Thirteen-year-old Anya sets out to find her missing father but instead travels to Kiev, where she meets the tsar, dines with a rabbi, and rescues two brothers from a dangerous monster lurking beneath the city.

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.

Will Hunter thought his life couldn't get any worse - his parents just got divorced ; his best (and only) friend now is his dog, Fitz ; and his Mom moved them from New York city to a middle-of-nowhere town called East Emerson. But Will was wrong - things are about to get way worse. Because East Emerson is filled with a whole lot of monsters that only he can see. To everyone else they look like normal people. When all the town pets (including Fritz),...

An escaped Amy fights her way to the Fort Black survivor colony to find Kay's brother, Ken, in order to rescue Baby from the sinister Dr. Reynolds.

Princess Magnolia can't wait to enjoy a much needed vacation. Just as she's about to take a nap in her hammock by the sea, she hears a "ROAR!" The Princess in Black may not get her vacation after all.

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...

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.

Armed with the ability to tame and control the monstrous daeva, Tea enacts her revenge against the royals who wronged her, but she is hampered by her disapproving brother and pursued by enemies wishing to use her dark magic for themselves. "No one know death like Tea. A bone witch who can resurrect the dead, she has the power to take life ... and return it. And she is done with her self-imposed exile. Her heart is set on vengeance, and she now possesses...