"Adelina Amouteru survived the blood fever, a deadly illness that killed many, but left others with strange markings and supernatural powers. Cast out by her family, Adelina joins the secret society of the Young Elites and discovers her own dangerous abilities"--

As the Council attempts to strip Charlotte of her power, sixteen-year-old orphaned shapechanger Tessa Gray works with the London Shadowhunters to find the Magister and destroy his clockwork army, learning the secret of her own identity while investigating his past.

When seventeen-year-old orphaned shapechanger Tessa Gray is kidnapped by the villainous Mortmain in his final bid for power, the London Institute rallies to save her, but is beset by danger and betrayal at every turn.

Grace Blakely believed that finding the truth about her mother's murder would finally give her peace, but now she knows that it is only the beginning of the secrets that will dominate her life--and make her a target on Embassy Row in Adria.

Horace F. Andrews, armed with a strange wooden box, and Chloe Burke, wearing a mysterious dragonfly pendant, become entangled in a secret and ancient society striving to protect powerful devices from the evil Riven.

Since learning she is the Ruby, the final member of the time-traveling Circle of Twelve, nothing has gone right for Gwen and she holds suspicions about both Count Saint-German and Gideon, but as she uncovers the Circle's secrets she finally learns her own destiny.

Sixteen-year-old Gwen, the newest and final member of the secret time-traveling Circle of Twelve, searches through history for the other time-travelers, aided by friend Lesley, James the ghost, Xemerius the gargoyle demon, and Gideon, the Diamond, whose fate seems bound with hers.

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.

Following the epic penultimate conclusion of The Secret Society, Oliver, Mya, and Jorge find themselves at an impasse: The Protectors' headquarters lie in ruins; the nefarious Octavian is nowhere to be found; and they have no idea how their tampering with the timeline of Poptropica might affect history. As our heroes band together to save the mysterious, uncharted island world and find a way home, they are reminded of crucial events from their pasts-including...

When farm boy Homer Pudding's explorer-uncle dies and leaves him a droopy dog with a mysterious coin hidden on its collar, it leads him to The City, where they meet Madame La Directeur, the conniving head of the Natural History Museum, who is trying to steal the coin and take Homer's place in a secret society of adventurers.