With two attorneys for parents, thirteen-year-old Theodore Boone knows more about the law than most lawyers do. But when a high profile murder trial comes to his small town and Theo gets pulled into it, it's up to this amateur attorney to save the day.

At an English boarding school in the 1930s, crime-solving friends Hazel Wong and Daisy Wells struggle to find an exciting mystery to investigate until Hazel discovers the dead body of Miss Bell, the science teacher.

Twelve-year-old Teddy investigates when a popular Texas zoo's star attraction--Henry the hippopotamus--is murdered.

Twelve-year-old Young Lady of Quality and Victorian amateur detective Myrtle Hardcastle returns, and now she is on the trail of a serial killer in her hometown of Swinburne.

Ghost. Lu. Patina. Sunny. Four kids from wildly different backgrounds with personalities that are explosive when they clash. But they are also four kids chosen for an elite middle school track team -- a team that could qualify them for the Junior Olympics if they can get their acts together. They all have a lot to lose, but they also have a lot to prove, not only to each other, but to themselves. Ghost has a crazy natural talent, but no formal training....

Twelve-year-old Cassie Arroyo is a student in Rome, but her life changes when a secret organization, the Hastati, shoots her father--and she learns that she is a member of an ancient bloodline that enables her to use the Spear of Destiny, a legendary object that can alter the future.