Nancy helps an elderly woman find her long-lost grandson, who is actually the deposed prince.

The blatant acts of a lady swindler posing as Nancy Drew arouse the suspicion of friends and local police against the real Nancy.

Henry, Jessie, Violet and Benny have discovered a mystery close to home, their beloved boxcar home, that is!

Fifth grade sleuth Cam Jansen and her friend Eric combine wits to solve the disappearance of a young French girl.

While having a picnic on the docks, animal detectives Bunny and Jack meet a dog whose one and only lawn chair is missing, and they set out to solve the case.

"Somebody's going to get hurt!" Frank Hardy exclaimed. He and his four companions paused in the darkening woods and listened as rifleshots and laughter rang out from a nearby ridge.

Cam uses her photographic memory and her brain to solve two mysteries at the beach, involving a missing mother and a missing set of papers.

Andy and Tamika are watching their neighbor's house while they are away, but when strange and troubling things start happening inside the house, the police do not believe the children.

Jaden's visit with her meteorologist father, who has just returned from spending four years in Russia conducting experiments, fills her with fear as she discovers that her father's community, Placid Meadows, is anything but placid.