detective and mystery stories

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve a variety of cases, involving a noisy garbage can, endangered frogs, a stuck truck, and a mysterious love letter.

Fourth-graders Drake Doyle and Nell Fossey combine their detective and scientific investigation skills to solve cases involving a crooked carnival barker, a mysterious ghost, an alien plant species invading wildlife habitats, and a wobbly bridge.

Fifth graders Drake Doyle and Nell Fossey use their detective and scientific investigation skills to solve cases which involve food poisoning, missing terns, a haunted treehouse, and a pig in a pit.

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.

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.

After unscrupulous collector S. Wendell Palomino cons him out of a valuable baseball card, sixth-grader Griffin Bing puts together a band of misfits to break into Palomino's heavily guarded store and steal the card back, planning to use the money to finance his father's failing invention, the Smart Pick fruit picker.

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.