Hercule Poirot solves a double murder in a small English village.

Hercule Poirot must find a murderer who is trying to kill him.

Frank and Joe unravel two mysteries, one involving a counterfeiting case and the other concerned with a national security case on which their father is working.

A teenager casually suggests playing a cruel trick on the English teacher, but did he intend it to end with murder?

"Red Kenny is on a road trip for spring break with five friends: Her best friend - the older brother - his perfect girlfriend - a secret crush - a classmate - and a killer. When their RV breaks down in the middle of nowhere with no cell service, they soonrealize this is no accident. They have been trapped by someone out there in the dark, someone who clearly wants one of them dead. With eight hours until dawn, the six friends must escape, or figure...

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

Dink Duncan and his two friends investigate the apparent kidnapping of famous mystery author Wallis Wallace.

The solutions to 10 mysteries solved by Leroy "Encyclopedia" Brown are given in a separate section challenging the reader to match wits with the 10-year-old mastermind of Idaville's war on crime.

While visiting Wallis's castle, Dink and his friends investigate strange noises that lead them to a dangerous secret.

A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.