A friendly writer with a metal detector, the mysterious inhabitants of a tower house, and the discovery of a locket in the sand are ingredients for the Aldens' latest mystery.

The Aldens become involved in a community theater production of "The Wizard of Oz," which is systematically and mysteriously being sabotaged.

At an old library, the Alden children discover a boy who needs their help and a stranger who is after a valuable object they found in the library.

"People say nothing interesting happens in the village of Port Elizabeth but, on a visit there, the Boxcar Children find a big mystery at the schoolhouse. Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows children to start reading by themselves with a Boxcar Children classic."--Amazon.

While exploring the caves around Dragon's Mouth Cavern, a series of unusual and somewhat frightening events convinces the Alden children that someone does not want them around.

"When the past and future start mixing with the present, Sabrina and Daphne have their first case to tackle solo-with a little help from the troublemaker Puck. The girls suspect that a rash of magical thefts may be at the root of the problem, but with Mayor Heart's outrageous taxes to pay and Mr. Canis's continuing transformation into the Big Bad Wolf, the Grimms have a lot to worry about and not a lot of time to waste. Can Sabrina and Daphne solve...

The Alden children are thrilled when a famous orchestra comes to their town to perform, and when an original Mozart score turns up missing, they solve the mystery of its disappearance.

Sabrina, Daphne, and Puck, stuck in the Book of Everafter, chase the Master through a series of stories, where they're willing to change what they need in order to save their baby brother. Soon, however, they are confronted by the Editor--the book's guardian--who, along with an army of tiny monsters known as Revisers, threatens the children with dire consequences if they don't stick to the stories. Faced with a challenge like this, will they be able...

While investigating the disappearance of Spotzie, Mr. Woods's beloved cat, the Alden children discover that they are being followed by a strange man, receive threatening phone calls, and uncover a number of mysterious suspects in the catnapping. Simultaneous.

When the Alden children help the curator of the Greenfield Museum set up a traveling exhibit of ancient Egyptian artifacts, the display seems to be undergoing a run of bad luck and the children wonder whether it might be under a curse.