Peter finds his demanding two-year-old brother an ever increasing problem.

Cooper is lost. Ever since his father left their family three years ago, he has become distant from his friends, constantly annoyed by his little sister, Jess, and completely fed up with the pale, creepy rich girl who moved in next door, who won't stop staring at him. So when Cooper learns of an unsolved mystery his sister has discovered online, he welcomes the distraction. It's the tale of a deadly train crash that occurred a hundred years ago in...

When a mysterious stranger makes their father an offer to fix the clock at Blackford House, Lucy and Oliver Tinker join forces with the magical clock animals to defeat a vicious monster, who wants to take possession of the house.

Seven siblings are forced by the destruction of their swamp home to move into their grandpa's mansion, but greedy neighbors plot to steal their secrets and place them in homes far away from each other.

Baby Lincoln has had enough of her older sister, Eugenia, telling her what to do and sets out on her own on a journey of self-discovery.

Lives of four misfits are intertwined when a bully's prank lands shy Virgil at the bottom of a well and Valencia, Kaori, and Gen band together in an epic quest to find and rescue him.

Although filled with anger over her parents' disappearance, eleven-year-old Sabrina Grimm--along with her grandmother, sister, and several fairy-tale characters--tries to discover who has killed her teacher.

Polly loves words, writing, and telling stories, so when she finds a fancy book on her doorstep labeled "Special Delivery from the Writing and Spelling Department for Polly Diamond" she is thrilled; and when she finds that anything she writes in it actually happens she is really excited--but Polly soon realizes that she has to be very careful what she writes because that kind of power can be dangerous.

The Aldens are joining Dr. Iris Perez as she investigates legendary creatures around the world. In the last leg of the journey, the children travel to the Amazon Rain Forest. They love learning about all the different plants and animals they have never seen before. But is there really a creature in the forest that hasn't yet been discovered?

Guardians of the 39 Clues, Dan Cahill and his sister Amy discover that the serum is missing and must race against time to get it back before catastrophe strikes.