Ellie's scientist grandfather has discovered a way to reverse aging, and consequently has turned into a teenager--which makes for complicated relationships when he moves in with Ellie and her mother, his daughter.

When twelve-year-old Lidie leaves Brazil to join her father and brother on a horse ranch in New York, she has a hard time adjusting to her changed circumstances, as does a new horse that has come to the ranch.

When almost-nine-year-old Carson Blum and his father move to Northern California, he is worried about adjusting to his new, large, public school and finding friends.

Sixteen-year-old Emilie, stuck in a cosmic Groundhog/Valentine's Day nightmare where she discovers her family is splitting up and her boyfriend is cheating on her, decides to embark upon The Day of No Consequences, but when her repetitive day suddenly ends, she must face the consequences of her actions. After a dumpster fire of a Valentine's Day, Emilie Hornby escapes to her grandmother;s house for some comfort. She passes out on the couch, but when...

"Students are trapped in their school after a bomb goes off, and must fight to survive while discovering who among them is the bomber"--

The four Penderwick sisters are faced with the unimaginable prospect of their widowed father dating, and they hatch a plot to stop him.

When wealthy, seemingly perfect Brittany and Alex Fuentes, a gang member from the other side of town, develop a relationship after Alex discovers that Brittany is not exactly who she seems to be, they must face the disapproval of their schoolmates--and others.

An angry, grieving seventeen-year-old musician facing expulsion from her prestigious Brooklyn private school travels to Paris to complete a school assignment and uncovers a diary written during the French revolution by a young actress attempting to help a tortured, imprisoned little boy--Louis Charles, the lost king of France.

When Mytica is threatened by an epic clash between gods and mortals, Magnus and Cleo are forced to test the strength of their love in the face of a redemption-seeking King Gaius.

Fourteen-year-old Kevin is very good at lying and doing so makes life easier, but when he finds himself in big trouble with his friends, family, and teachers, he must find a way to end his lies forever.