Can you crack the case with six clues or less?Moon Hollow's town library is a favorite spot for the Mysterious Four. But when the strange, masonic glyphs that decorate the building prove to be a secret code, they discover there's more than books hidden away inside.Embarking on a treasure hunt, Viola, Sylvester, Rosie, and Woodrow must run a gauntlet of mysteries and puzzles--and readers are invited to guess alongside them with every new clue they...

The Backstagers and friends pull together to fight off the backstage monsters who are trying to ruin their production of Tammy and to uncover the secrets of Jory's mysterious Designer's Notebook.

After fifteen-year-old Chloe starts seeing ghosts and is sent to Lyle House, a mysterious group home for mentally disturbed teenagers, she soon discovers that neither Lyle House nor its inhabitants are exactly what they seem, and that she and her new friends are in danger.

Meg Finn is in trouble. She's dead, but not at peace--she's in limbo, her good deeds perfectly balanced against her bad deeds; Heaven or Hell wait, a tip of the scale away. So she's back on Earth trying to tip the scale to the good by helping her last victim, and her former "partner" is also back, trying to force her to tip the scale to the bad.

Simon is a liar. Stella and Alex know this about their new stepbrother, so they aren't bothered by his stories about their new house. But Simon is getting harder and harder to ignore, as his cries for attention become increasingly dangerous and difficult to explain. Stella and Alex have to consider...could Simon actually be telling the truth? Will the three siblings be able to put aside their differences to save their family...before it's too late?...

Suddenly able to see demons and the Darkhunters who are dedicated to returning them to their own dimension, fifteen-year-old Clary Fray is drawn into this bizzare world when her mother disappears and Clary herself is almost killed by a monster.

After a Fenris, or werewolf, killed their grandmother and almost killed them, sisters Scarlett and Rosie March devote themselves to hunting and killing the beasts that prey on teenaged girls, learning how to lure them with red cloaks and occasionally using the help of their old friend, Silas, the woodsman's son.

On the planet Co:pern:ica, which is a parallel world to that of Crescent Lane, David is twelve years old and is trying to save a firebird that has been turned to evil by the malevolent Ix.

It took Luce and her fallen angel boyfriend, Daniel an eternity to find one another, but now he has told her he must go away. Just long enough to hunt down the Outcasts, immortals who want to kill Luce. Daniel hides Luce at Shoreline, a school on the rocky California coast with unusually gifted students: Nephilim, the offspring of fallen angels and humans.

While researching the existence of dragons for an essay that could win him a trip to the Arctic, Chris opens himself to the possibility that a great, ancient treasure exists there, guarded by bears, and that he has some role in its protection.