mystery and detective stories

Still enjoying her new found self-confidence, a thirteen-year-old sleuth in Portland, Oregon, tries to uncover a missing red diamond and gets herself mixed up with a crooked animal shelter worker and some very strange animals.

Presents the first four novels in the "Hardy Boys: Undercover Brothers" series, in which Frank and Joe Hardy work as undercover agents for the American Teens Against Crime organization.

In nineteenth-century London, sixteen-year-old Sally, a recent orphan, becomes involved in a deadly search for a mysterious ruby.

When someone steals her purse and identity, high school junior and reluctant girl slueth, Lulu Dark, investigates.

While creating a poster about her pen pal for Parents' Night at school, Nancy notices that someone has taken the English stamps she has received on her pen pal's letters.

Ava, Caitlin, Mackenzie, Julie, and Parker are all driven to be perfect--no matter the cost. At first the girls think they have nothing in common, until they discover that they all hate the same person: handsome womanizer Nolan Hotchkiss, who's done things to hurt each of them. They come up with the perfect plan to murder Nolan--jokingly, of course. They'd never actually go through with it. But when Nolan turns up dead in the exact way they'd discussed, the girls suddenly become prime suspects in his murder. Only, they didn't do it. So who did? Unless they find the real killer, and soon, their perfect lives will come crashing down around them.

Bradley, Brian, Nate, and Lucy try to help out the Flying Fortunatos, an acrobatic troupe with a very shabby traveling circus, by identifying the marvelous, hooded trapeze artist they spied rehearsing.

This thriller explores MIA soldiers from the Vietnam War. The action, which goes to Washington D.C., Thailand, and Laos follows Culvert Morgan as he tries to solve the mystery of his name being included on the Vietnam Veterans Memorial.

At a refugee camp following the eruption of Mt. Vesuvius which buried Pompeii, Flavia and her friends discover that children are disappearing and a very powerful citizen might be involved.