Henry, Jessie, Violet, and Benny become trapped in a cabin by an unexpected snowstorm, which turns into an even greater adventure when they help their neighbors, a baker and his family, recover an old family secret.

Nancy Drew investigates when a pony from the petting zoo keeps escaping from his pen.

Now vacationing with their grandfather in the South Seas, Henry, Jessie, Violet, and Benny are supposed to be on an uninhabited island. But they soon suspect someone else is there too, someone who may not want them around.

While on bicycle trip to their aunt's farm, the four Aldens help solve a mystery.

"The Aldens visit a dinosaur dig in Montana and soon become involved in a mystery involving missing dinosaur bones"--

A is for author ... Dink writes to his favorite author, mystery writer Wallis Wallace, and invites him to visit Green Lawn. To Dink's amazement, Wallace says he'll come! But when the big day arrives, Wallace is nowhere to be found. The police think he just missed his plane, but Dink suspects foul play. It's up to Dink and his two best friends, Josh and Ruth Rose, to find the famous writer--before it's too late!

"Daily Tombs" newspaper reporter Dirk Bones, who also happens to be a skeleton, investigates when a family of ghosts fears that they are being haunted.

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.

The Aldens investigate when an old wooden mask they have found is stolen.

Oliver's boring blue beach bag is gone. Nate and his dog Sludge try to find clues to find the beach bag.