Twelve-year-old Emmy investigates the connection between her father's disappearance and a secret society at her prestigious English boarding school.

When sixteen-year-old Avery West learns her family is part of a powerful and dangerous secret society, and that her own life is in danger, she must follow a trail of clues across Europe.

"A strange telegram lures fourteen-year-old Amy Cahill and her younger brother, Dan, deep into Russia and away from the only trustworthy adult they know. Signed with the initials NRR, the telegram launches a race to uncover a treasure stolen by the Nazis and the truth behind the murder of the last Russian royal family. All too soon, the treasure hunt starts to smell like a Lucian trap. But the bait might just be irresistible--what will Amy and Dan...

Cassidy Blake and her ghostly friend, Jacob, have survived the ghosts of Edinburgh and Paris, but New Orleans is a haunted city in a class by itself, and that is the current stop for her parents' TV show; but there is something a lot scarier than ghosts here: the Emissary of Death is after Cassidy, and to defeat it she will need the help of the Society of the Black Cat and she will also be faced with a terrible choice--lose one of her two friends,...

Fourteen-year-old Brystal Evergreen has secured worldwide acceptance for the magical community but new threats arise, including the centuries-old Righteous Brotherhood that intends to exterminate all magical life, beginning with Brystal.

When their parents' seedy old motel burns down on the same night they are visited by a strange man covered in skeleton tattoos, Cyrus, Antigone, and their brother Daniel are introduced to an ancient secret society, and discover that they have an important role in keeping it alive.

Twelve-year-old Jake McQuade is the smartest kid in the universe, but if he wants to keep his title he will have to figure out a way to defeat the villain who steals his ingestible knowledge capsules. Jake McQuade's the smartest kid in the universe--or at least he was. But just as his training with the secret agency known as the Consortium is about to start, Jake's jelly beans go missing! And to make matters worse, they (and Jake's genius!) might...

Thirteen-year-old Ronan Truelove learns that he is a member of the Blood Guard, a secret society sworn to protect the pure, and must use his skills to save his kidnapped father, the girl of his dreams, and the world.

When the students at Rosewood Hall are targeted by members of a secret society, Lottie Pumpkin and Ellie Wolf must find the culprit before the school is forced to close its doors.

"For centuries, the Keepers and the Wardens have been guarding the mysterious Mothergates, a source of incredible power. But now the Mothergates are dying, and Horace and his fellow Keepers know that the weakened gates may unleash a dangerous force that will consume the world--and destroy everyone in it. While their enemies are willing to take this careless risk, Horace and his friends are prepared to sacrifice themselves for the preservation of the...