Fifteen-year-old Matt and his new friend Robin search the globe to retrieve an ancient code--rumored to have brought down the ancient civilization of Atlantis--from the hands of a madman who is bent on destroying the modern world.
On the payroll as an assistant to her coroner father, seventeen-year-old Cameryn Mahoney uses her knowledge of forensic medicine to catch the killer of a friend while putting herself in terrible danger.
As she uses her knowledge of forensic medicine to investigate the death of a young runaway, seventeen-year-old Cameryn Mahoney, an assistant to her coroner father, worries that her secretive mother may be involved.
When thirteen-year-old Logan and his family move into a run-down old house in rural Virginia, he discovers that a woman was murdered there and becomes involved with his neighbor Arthur in a dangerous investigation to try to uncover the killer.
By Coles, William E.
While working with a Pittsburgh television journalist on a project to uncover the truth about the 1902 Katherine Soffel scandal, college student Dee Armstrong learns about different types of betrayal.
Despite his overwhelming fear of interacting with people, Christopher, a mathematically-gifted, autistic fifteen-year-old boy, decides to investigate the murder of a neighbor's dog and uncovers secret information about his mother.
When Will Halpin transfers from his all-deaf school into a mainstream Pennsylvania high school, he faces discrimination and bullying, but still manages to solve a mystery surrounding the death of a popular football player in his class.