"Two sisters start a detective agency and solve a series of everyday mysteries about themselves and their family"--

"Someone is trying to hunt FunJungle's Asian greater one-horned rhinoceros, and twelve-year-old Teddy Fitzroy is on the case"--

Hoping to become the greatest detective that ever grew, Inspector Flytrap, a Venus Flytrap, and his assistant, Nina the Goat, investigate "big deal" mysteries at an art museum, a cookie shop, and a garden.

When a Connecticut teenager inherits vast wealth and an eccentric estate from the richest man in Texas, she must also live with his surviving family and solve a series of puzzles to discover how she earned her inheritance.

While learning detective skills at a sleep-away camp, Dink and his friends undercover a real mystery involving stolen paintings.

On Whidbey Island, north of Seattle, the Gray family's quintuplets join the search for a young boy gone missing and soon discover deep family secrets and that crimes have been committed.

When seventeen-year-old Avery moves to rural Georgia to live with her ailing grandmother, she encounters decade-old family secrets and a mystery surrounding the town's racist past.

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...

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

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