In the small city of Strattenburg there are many lawyers, and thirteen-year-old Theo Boone thinks he is one of them, but his inside knowledge of the justice system means trouble when a cold-blooded killer is about to go free and only Theo can stop him.

Twelve-year-old Jessie spends the summer with her family on Quicksand Pond, a New England vacation spot, where she develops a star-crossed friendship with independent Terri, and meets a reclusive old lady whose connection to a murder that took place decades ago still informs her present--and affects Terri in ways that Jessie gradually comes to understand the more time they spend together.

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

As he grieves his best friend Benny's death, Mason and his friend Calvin, who are targeted by the neighborhood bullies, create an underground haven for themselves, but when Calvin goes missing Mason finds himself in trouble.

In the small city of Strattenburg there are many lawyers, and thirteen-year-old Theo Boone thinks he is one of them, but his inside knowledge of the justice system means trouble when a cold-blooded killer is about to go free and only Theo can stop him.

Fourteen-year-old Nick and his bumbling detective brother Tim Diamond investigate a mystery involving international spies and assassins.

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.

Detectives' Row is full of talented investigators, but Toby Montrose isn't one of them. He's only an assistant at his uncle's detective agency, and he's not sure he's even very good at that. Toby's friend Ivy is the best sleuth around -- or at least she thinks so. They both see their chance to prove themselves when the famed Hugh Abernathy announces a contest to choose the World's Greatest Detective. But when what was supposed to be a game turns into...

Melanie and April turn a deserted lot into an imaginary Egypt where they spend many hours enacting rituals and consulting oracles, but there are real dangers and problems lurking outside their make-believe world that almost bring their game to a disastrous end.

After the death of Denmark's King Hamlet, his ghost appears and tells his son, also called Hamlet, to avenge his wrongful death, which leads to more tragedy. Includes discussion prompts, fun facts, a short biography of Shakespeare, and famous phrases from the play. A glossary is also included.