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...

As conditions worsen in the FAYZ, where supernatural forces have trapped children under the age of fifteen and resources are running out, it becomes tempting to heed the words of a prophet who says that only death will set them free.

Middle-schoolers Marcus, Theo, and Lu return to the Library to help figure out, and fix, what is going wrong at a school in Massachusetts.

The spirit of a dead actress turns two children invisible and sends them out among a group of colorful street performers to search for a missing necklace.

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.

In this companion volume to The Boggart, the invisible and mischievous spirit living in the Scottish Castle Keep sets out to help save Nessie the Loch Ness Monster, one of its few remaining cousins.

Told from separate viewpoints, as Finn, Emma, and Chess Greystone and Natalie Mayhew, ages eight to thirteen, continue their quest to rescue their mothers they must return to the alternate dimension where truth is illegal.

Sixteen-year-old Ellison Sparks keeps reliving the terrible Monday on which her boyfriend, Tristan, breaks up with her and no matter how hard she tries, she cannot seem to set things right.

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?...

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.