Who Dunit?
Mysteries that will challenge your inner sleuth.

   7th Knot by Kathleen Karr

Two brothers touring Europe in the 19th century become embroiled in a mystery involving Albrecht Durer's knot woodcuts and a secret German society when they go in search of their uncle's enigmatic missing valet.

   Acceleration by Graham McNamee

Stuck working in the Lost and Found of the Toronto Transit Authority for the summer, seventeen-year-old Duncan finds the diary of a serial killer and sets out to stop him.

   And Then There Were None by Agatha Christie

Ten people, invited to an island retreat by an unknown millionaire begin to die off, one by one.

   Black Mirror by Nancy Werlin

Convinced her brother's death was murder rather than suicide, sixteen-year-old Frances begins her own investigation into suspicious student activities at her boarding school.

   Body of Christopher Creed by Carol Plum-Ucci

Torey Adams, a high school junior with a seemingly perfect life, struggles with doubts and questions surrounding the mysterious disappearance of the class outcast.

   Cat Who Talked To Ghosts by Lillian Jackson Braun

A former reporter and his cat discover that the death of a leading citizen was no accident.

   Close to a Killer by Marsha Qualey

Seventeen-year-old Barrie finds herself involved in a string of murders that are somehow connected to her mother's hair salon.

   Cold as Ice by Elizabeth Levy

Working at the Dome, a sports arena in New York City, during a pre-Olympic skating exhibition, Kelly meets two competitive male skaters whose lives become threatened by a string of mysterious accidents.
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   Counterfeit Son by Elaine Alphin

(Only at the MDE library in Broomfield)
When serial killer Hank Miller is killed in a shoot-out with police, his abused son Cameron adopts the identity of one of his father's victims in order to find a better life.

   Dark and Deadly Pool by Joan Lowery Nixon

Sixteen-year-old Mary Elizabeth's summer job at an expensive health club turns out to be more exciting than she bargained for when a series of mysterious events culminate in murder.

   Dead Girls Don't Write Letters by Gail Giles

Fourteen-year-old Sunny is stunned when a total stranger shows up at her house posing as her older sister Jazz, who supposedly died out of town in a fire months earlier.

   Don't Look Behind You by Lois Duncan

Seventeen-year-old April finds her comfortable life changed forever when death threats to her father, a witness in a federal case, force her family to go into hiding under assumed names and flee the pursuit of a hired killer.

   Double Helix by Nancy Werlin

Eighteen-year-old Eli discovers a shocking secret about his life and his family while working for a Nobel Prize-winning scientist whose specialty is genetic engineering.

   Escape From Memory by Margaret Peterson Haddix

Allowing herself to be hynotized, fifteen-year-old Kira reveals memories of another time and place that may eventually cost her and her mother their lives.

   Face On The Milk Carton by Caroline Cooney

Fifteen-year-old Janie sees a picture of her younger self on a milk carton and begins to seek the truth her past.

   Facing the Dark by Michael Harrison

When his father is arrested for the murder of a rival cab driver, Simon joins forces with the victim's daughter Charley to find out what really happened.

   For Mike by Shelley Sykes

When Jeff's best friend Mike disappears in the fall of their senior year in high school, Jeff has disturbing dreams in which Mike urges him to come get him, and a secret begins to unfold.

   Gallows Hill by Lois Duncan

When seventeen-year-old Sarah works in the fortune-telling booth at a school carnival, she finds that sometimes she can really see the future in the crystal ball, a talent that disturbs some of the other students and makes them suspect her of being a witch.

   Ghost in the Tokaido Inn by Dorothy Hoobler

While attempting to solve the mystery of a stolen jewel, Seikei, a merchant's son who longs to be a samurai, joins a group of kabuki actors in eighteenth-century Japan.

   Girl in the Box by Ouida Sebestyen

When 13-year-old Jackie McGee is kidnapped and left in a dark, underground room, she is forced to draw from her inner strength and courage.

   Guardian by Dee Henderson

A federal judge has been murdered. There is only one witness. And someone wants her dead. U.S. Marshal Marcus O'Malley thought he knew the risks ... until he fell in love.

   Hound of the Baskervilles by Sir Arthur Conan Doyle

A seemingly supernatural hound and an ancient curse give Sherlock Holmes and his sidekick Watson another elementary mystery.

   I Know What You Did Last Summer by Lois Duncan

It was only an accident -- but it would change their lives forever. Last summer, four terrified friends made a desperate pact to conceal a shocking secret. But some secrets don't stay buried, and someone has learned the truth. Someone bent on revenge. This summer, the horror is only beginning....

   In the Stone Circle by Elizabeth Cody Kimmel

While spending the summer in an old stone house in Wales, fourteen-year-old Cristyn comes to terms with the death of her mother while satisfying the request of a thirteenth-century princess.

   Jade Green: A Ghost Story by Phyllis Naylor

While living with her uncle in a house haunted by the ghost of a young woman, recently orphaned Judith Sparrow wonders if her one small transgression causes mysterious happenings.

   Loves Music, Loves To Dance by Mary Higgins Clark

Story of a murderer whose victims are found wearing one dancing shoe.

   Murder on the Orient Express by Agatha Christie

Red herrings abound, and Hercule Poirot depends on his little gray cells to find the killer of an American millionaire while traveling on the Orient Express.

   Never Trust a Dead Man by Vivian Vande Velde

Wrongly convicted of murder and punished by being sealed in the tomb with the dead man, seventeen-year-old Selwyn enlists the help of a witch and the resurrected victim to find the true killer.

   Nobody's There by Joan Lowry Nixon

Following an act of vandalism against her father's girlfriend, a seventeen-year-old girl is paired by the court with an eccentric senior citizen whose hobby as a sleuth turns deadly.

   Northern Light by Jennifer Donnelly

In 1906, sixteen-year-old Mattie, determined to attend college and be a writer against the wishes of her father and fiance, takes a job at a summer inn where she discovers the truth about the death of a guest. Based on a true story.

   Playmaker by J.B. Cheaney

While working as an apprentice in a London theater company in 1597, fourteen-year-old Richard uncovers a mystery involving the disappearance of his father and a traitorous plot to overthow Queen Elizabeth.

   Pretend You Don't See Her by Mary Higgins Clark

What happens when a young woman, having merely been in the wrong place at the wrong time, is accidentally caught up in a dangerous murder investigation? What happens when she is placed under police protection, forced to give up her identity and move to another part of the country, at least until the killer can be positively identified and apprehended? What happens when in her new life she meets the perfect man, only she can't risk falling in love because she can't tell anyone -- even him, especially him -- who she really is?

   Rag and Bone Shop by Robert Cormier

Trent, an ace interrogator from Vermont, works to procure a confession from an introverted twelve-year-old accused of murdering his seven-year-old friend in Monument, Massachusetts.

   Ruby in the Smoke by Philip Pullman

In search of clues to the mystery of her father's death, 16-year-old Sally Lockhart ventures into the shadowy underworld of Victorian London. Pursued by villains at every turn, the intrepid Sally finally uncovers two dark mysteries--and realizes that she herself is the key to both.

   Running Out of Time by Margaret Peterson Haddix

When a diphtheria epidemic hits her 1840 village, thirteen-year-old Jessie discovers it is actually a 1995 tourist site under unseen observation by heartless scientists, and it's up to Jessie to escape the village and save the lives of the dying children.

   She by Carol Plum-Ucci

After his parents are lost at sea, Evan Barrett and his older brother leave their seaside home in West Hook to escape bad memories, but years later even worse questions emerge when Evan is asked to help a fellow student deal with another sea-related tragedy.

   Stuck in Neutral by Terry Trueman

Fourteen-year-old Shawn McDaniel, who suffers from severe cerebral palsy and cannot function, relates his perceptions of his life, his family, and his condition, especially as he believes his father is planning to kill him.

   Tightrope by Gillian Cross

When she begins receiving bizarre threatening messages from someone who seems to know her every move, teenage Ashley, after seeking help from the neighborhood tough guy, comes to realize that she alone can end the stalker's reign of terror.

   Troubling a Star by Madeleine L'Engle

As she tries to stay alive after being left on an iceberg in the Antarctic, sixteen-year-old Vicky recalls the series of events that brought her to the bottom of the world and involved her in a dangerous mystery.

   Twisted Summer by Willo Davis Roberts

Fourteen-year-old Cici hopes for a romantic summer at the beach but instead finds herself trying to solve a murder which had occurred there the previous year.

   Wolf Rider: A Tale of Terror by Avi

After receiving an apparent crank call from a man claiming to have committed murder, fifteen-year-old Andy finds his close relationship with his father crumbling as he struggles to make everyone believe him.