mystery fiction

Jennie meets her new neighbors' sheepdog, Samantha, who has a knack for sniffing out a mystery, and when Jennie realizes she can read the dog's thoughts, they investigate a creepy house, determined to find out if the owner, McIver, is actually Dracula.

Emily moves with her family from Chicago to the country where she is drawn to a mysterious playhouse she finds in the woods, and it is not long before she meets the painted house's sad, lonely inhabitant.

Dog detective Jack Russell investigates the thefts of various belongings in Doggeroo.

Twelve-year-old Jack, his younger sister, and the family's teenage foster child Troy go to Yellowstone National Park, where Jack's mother, a wildlife veterinarian, is investigating the report that wolves reintroduced to the park have killed a dog there.

Nate and his dog Sludge try to solve a case on Halloween night and find themselves locked in a haunted house.

Giselle and Ingrid are the twin daughters of Doctor Victor Frankenstein, but they are very different people, and when they inherit his castle in the Orkney Islands, Giselle dreams of holding parties and inviting society--but Ingrid is fascinated by her father's forbidden experiments.

While investigating why someone is trying to force people from their homes to expand a recreation center, Sammy is distracted by the lies she must tell to cover an accident she caused, but which was blamed on her nemesis, Heather.

Thirteen-year-old Sammy meets a mysterious man who dies of a heart attack after telling her to get rid of the large amount of money he is carrying, leading her to investigate who the man was and how he came to be carrying so much cash.

Fourteen-year-olds Ananka Fishbein, Kiki Strike, and the other Irregulars encounter a Chinese mummy, a ghost, trained squirrels, and old enemies as they try to stop an art forgery ring and safeguard the secret streets hidden beneath New York City.

Life becomes more interesting for Ananka Fishbein when, at the age of twelve, she discovers an underground room in the park across from her New York City apartment and meets a mysterious girl called Kiki Strike who claims that she, too, wants to explore the subterranean world.