Arthur Penhaligon is supposed to die at a young age, but is saved by a key that is shaped like the minute hand of a clock. The key causes bizarre creatures to come from another realm, bringing with them a plague. A man named Mister Monday will stop at nothing to get the key back. Arthur goes to a mysterious house that only he can see, so that he can learn the truth about himself and the key.

Arthur must retrieve the Second Key from his enemy Grim Tuesday in order to save the world. Arthur doesn't think he will ever have to return to the strange house that nearly killed him on Monday -- the house that contains an entire world. But Tuesday brings new challenges -- in the form of an enemy named Grim Tuesday, who threatens the well-being of both Arthur's family and his world. Arthur must retrieve the Second Key from Grim Tuesday in order...

Young Arthur Penhaligon must weigh an offer from Lady Friday that is either a cunning trap for the Rightful Heir or a golden opportunity that he must seize.

As Arthur Penhaligon seeks to find the seventh key, complete his quest to save the Kingdom to which he is heir, and learn his true identity, he discovers that he has a greater purpose than he could have imagined.

When long buried family secrets are revealed, will the Claybourne women pull together or be torn apart?

In 1665 London, fourteen-year-old Christopher Rowe, apprentice to an apothecary, and his best friend, Tom, try to uncover the truth behind a mysterious cult, following a trail of puzzles, codes, pranks, and danger toward an unearthly secret with the power to tear the world apart.

As the plague decimates London in 1665 and an assassin threatens the apothecary's life, apprentice Christopher Rowe and his faithful friend Tom, following a trail of puzzles, riddles, and secrets, risk their lives to untangle the heart of a dark conspiracy.

Christopher Rowe is shipwrecked in Devonshire, where children are disappearing and a ghost is suspected, but even Tom and Sally's arrival may not cure his amnesia in time to help.

No touching today for a healthy tomorrow. For fifty years, the Key Corporation has defended humanity against a deadly virus that spreads through touch. Lovers don't kiss, or even hold hands. Personal boundaries are valued above all. Break the laws, and you'll face execution. Elodie, a talented young nurse, believes in the mission of the Key and has never questioned the laws that control her life. But Elodie is forced to break the rules when she

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Since the murder of the maharani of Ashoka--the country that controls all magic--the relationships between the royal siblings have fractured. At only 18, Vira has ascended to the throne, a role few in her council believe her capable of. Meanwhile, her twin brother, Ronak, is plotting to break free from a tactful marriage and taking their half-brother, Kaleb, (wrongfully imprisoned for the maharani's assassination) with him. The siblings' unease comes...