When the children uncover a strange puzzle in a friend's back yard, it's the start of a "spy game" leading to gold. But first they must make sense of an old photo and a riddle, and learn just who is behind this mystery within a mystery.

The Alden children save an old woman's house, land, and all the animals in her animal shelter from greedy contractors.

What will the Aldens discover on a vacation to a deserted island? Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows children to start reading with a Boxcar Children classic.

When the Boxcar children help out in a local garden, they dig up one strange thing after another! First, the tomato plants seem to move every day. Find out how that can be.

While canoeing and backpacking near Timberwolf Lake, the Aldens receive strange warnings to stay away from the area and stumble upon clues to a missing cache of stolen coins.

When the Alden children accompany their grandfather on a trip to Seattle, they discover clues throughout the city, seemingly planted just for them.

"Henry, Jessie, Violet, Benny, and their cousin, Soo Lee, are staying with Grandfather at the Snowflake Inn. It seems like a nice place, but there are many strange things happening. One morning all the horses are missing. The children discover that all the firewood is wet. Somebody unplugs the big refrigerator. One of the bedroom windows gets smashed. Then Benny finds a secret room that leads to a surprising place, and the pieces begin to fit together....

When they take their dog, Watch, for obedience training, the Alden children discover that some of the dogs in the class have vanished and decide to try to solve the mystery of their disappearance.

When the Aldens agree to watch the house of a local author who has written a book about a vampire, they end up investigating activities that are suspiciously similar to those in his book.

"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.