"A thriller about Billy Zeets, a 14-year-old semi-delinquent in a deadly tango with a killer"--

"After Sophie Winters survives a brutal attack in which her best friend, Mina, is murdered, she sets out to find the killer. At the same time she must prove she is free of her past Oxy addiction and in no way to blame for Mina's death"--

After her parents' divorce, Zoe Webster moves from Brooklyn to upstate New York where she meets the weirdly compelling misfit, Philip Digby, and soon finds herself in a series of hilarious and dangerous situations as he pulls her into his investigation into the kidnapping of a local teenage girl which may be related to the disappearance of his kid sister eight years ago.

When on the first day of middle school Principal Kim announces a Contraption Convention, young inventor Rube Goldberg must conquer his anxieties and a ghostly mystery to come up with something brilliant for the judges and his friends.

Another exciting mystery begins for the  young detective when her friends Bess and George ask her to investigate a rumor that their wealthy great-granduncle, Asa Sidney, is virtually a prisoner in his own mansion. But solving the mystery and befriending Carol Wipple, the sixteen-year-old foster daughter of the caretakers of the old mansion, nearly costs Nancy the friendship of Bess and George. It takes all of Nancy's sleuthing ability as well...

When sixteen-year-old Jess Tennant's mother takes her to spend the summer in the tiny English town where she grew up, people look at Jess as if they have seen a ghost due to her resemblance to her cousin Freya, who died shortly before Jess arrived and towhom Jess feels a strange connection.

Third-grader Aven Green has been solving mysteries for a whole month-cracking such cases as The Mystery of the Cranky Mom. But can this perceptive detective solve two cases at the same time? First her teacher's lunch bag disappears. Then Aven's great-grandma's dog goes missing. Fortunately, since Aven was born without arms, all the "arm" cells went to her super-powered brain instead. (That's her theory.) This hilarious chapter book showcases a new...

"A group of kids discovers they were cloned from the DNA of some of the greatest criminal masterminds in history for a sociological experiment, and they must find a way to prove it to the rest of the world"--

"The son of a Mississippi policeman finds a boy living in hiding in the wilderness and tries to help him without giving away his secret"--

Trying to communicate with his human owner (and detective partner) can be frustrating for King the golden retriever as he uncovers clues in a missing dog case.