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.

When the goddess Artemis goes missing, she is believed to have been kidnapped.And now it's up to Percy and his friends to find out what happened. Who is powerful enough to kidnap a goddess? They must find Artemis before the winter solstice, when her influence on the Olympian Council could swing an important vote on the war with the titans. Not only that, but first Percy will have to solve the mystery of a rare monster that Artemis was hunting when...

"Greek and Roman demigods from the Prophecy of Seven must work together to seal the Doors of Death--and help Percy and Annabeth escape the Underworld in the process"--

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?"--

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.

With no knightly experience but plenty of pluck and an impressive vocabulary, a twelve-year-old peasant, hoping to improve his station in life, volunteers to help a cowardly prince and his not very powerful wizard rescue a princess from an evil, foul-smelling monster.

"When monster tries to put on his old underwear, it snaps! So it's off to go underwear shopping with mommy! Will monster ever find that perfect pair that makes him feel better?"--

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?...

After being cast as the Ninja Master in his school's play, a boy decides it is time to catch the monster in his closet.