Thirteen-year-olds Bertie Bradshaw of London and American Eleanor Shea team up to decipher a coded notebook and stop a double agent from revealing secrets about the upcoming D-Day invasion.

The purchase of a slave for their teacher leads a group of schoolboys in ancient Rome into a dangerous intrigue.

A SEARCH FOR A MISSING HORSE LEADS NANCY TO A DARK DISCOVERY! Nancy's attending the Midwest Grand Prix Dressage Championships, where many of the world's best riders and finest horses compete. But more than blue ribbons is at stake. As Nancy quickly learns, these horses generate big money, turning a friendly competition into a very nasty business. Discovering a fire in the stables, Nancy barely averts a terrible tragedy. But now she faces a new danger:...

Soon after moving to Noble's Green, Pennsylvania, twelve-year-old Daniel learns that his new friends have super powers that they will lose when they turn thirteen, unless he can use his brain power to protect them.

In 1970s San Francisco, Julie and her best friend Ivy learn about Chinese immigration in the early twentieth century when they investigate a mysterious doll theft.

Sabrina Grimm--along with her grandmother, sister, and several fairy-tale characters--tries to discover who has kidnapped her parents and looks for a way to rescue them.

After their parents awake from a sleeping spell, Daphne and Sabrina become caught in the middle of a war between the Scarlet Hand and Prince Charming's Everafter army and learn a shocking secret about a deadly enemy.

"P.T. and his friend Gloria must solve a mystery at the world's wackiest motel: The Wonderland"--