Warner, Gertrude Chandler

On a camping trip to Arizona with their grandfather, the Alden children search for a lost gold mine.

The Alden children hunt for their late grandmother's necklace that has been missing for years.

While sightseeing in San Francisco, the Boxcar children uncover a mystery involving fishing boats and sabotage.

When their grandfather arranges for them to spend two week at Sunny Oaks, the four Alden children enjoy settling into the routines of farm life but become suspicious about a mysterious horse locked in the stables.

While helping run Jerry Taylor's general store, the Alden children investigate his mysterious employee Nancy.

The Alden children search for buried treasure on Blizzard Mountain, but a mysterious rival treasure hunter is determined to chase them off the mountain.

Henry, Jessie, Violet, and Benny are given the opportunity to be extras in a movie about the Alamo, but they are called upon to use their sleuthing skills when Claire, the star of the film, is implicated in the theft of a valuable ring.

The Boxcar Children investigate the secret of the clock tower at Goldwin University.

While visiting the seaport town of Ragged Cove, Massachusetts, the Alden children find the ship's log of the Flying Cloud, shipwrecked in 1869, supposedly during a mutiny.

The Alden children draw upon their resourcefulness to save the neighborhood firehouse from being torn down, while they also face a series of mysterious incidents connected with it.