Eighteen-year-old, mystery-loving Birdie's new job at a historic Seattle hotel leads her and her co-worker, Daniel, to a real mystery about a reclusive writer who resides there.

"Sixth grader Rex Dexter uses his ability to communicate with dead animals to investigate a narwhal's mysterious death"--

While investigating a series of grisly murders, eighteen-year-old palace nurse Hyeon navigates royal and political intrigue and becomes entangled with a young police inspector. Includes author's note.

Nancy receives a letter meant for a British heiress who has the same name and, in her attempts to contact the other young woman, faces danger from a man who operates a Lonely Hearts Club mail fraud.

Dink and his friends investigate why pets, like Mrs. Davis's canary, Mozart, are mysteriously disappearing all over town.

Twins Theo and Alexander and their sister Wil are abruptly dropped off at their Aunt Saffronia's house, where they learn they must complete a series of tasks in order to see their parents again--and their first assignment is at a waterpark.

When a shy high school student's body is found washed up on the shore of a quiet beach town - an apparent suicide - Terry Novak doesn't know what to think. He decides to do some investigating with the help of his best friend, Abby. Before long, they learn that asking questions puts them in grave danger. Fortunately, Terry has been learning about fighting, thanks to a retired boxer, who teaches him to use his head and keep his feet set beneath him...

At Green Lawn Elementary, the entire school becomes involved in a mystery when Mr. Bones, the skeleton in the nurse's office, disappears.

Lured by mysterious forces back to her childhood home, Sophia investigates the unsolved disappearances of several community members, including the mother who saved her from a near-drowning.

Four brave siblings were searching for a home – and found a life of adventure! Join the Boxcar Children as they investigate the mystery of an old lighthouse in this illustrated chapter book series beloved by generations of readers.
The Aldens take a trip to the New England coast and get to stay in a lighthouse! But strange things happen after it gets dark—an unknown woman is seen walking around, and Watch wakes up growling late...