A young Canadian visitor helps the Alden family solve a mystery involving a lost coin collection.

When the Alden children spend a week visiting at Pilgrim Village, they uncover the mystery behind the unusual happenings at the historic site.

"The Boxcar Children are helping at a pizzeria, but it seems that someone is trying to shut it down. Can they find out who is causing trouble? 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 staying at a London inn, the Aldens are puzzled by the peculiar behavior of two fellow guests, a mysterious stranger who follows them, and a misplaced antique brooch.

Henry, Jessie, Violet, and Benny decide to investigate when they travel with their grandfather to buy honey at the Sherman's honey farm only to discover that the bees, for some reason, have quit making honey.

The Boxcar Children are spending the summer in an enormous New England farmhouse and the old woodshed holds a surprising secret that dates from the Revolutionary War.

The Alden children travel on a Mississippi paddle-wheel steamer to visit an old family friend in his cabin near Hannibal, Missouri, and try to discover who is responsible for the mysterious activities near the house.

While visiting Michigan's Upper Peninsula to prepare their Great-aunt Sophie's big old house for sale, the Boxcar Children encounter a mystery involving a valuable ring supposedly hidden somewhere in the house.

Jessie wants her science fair project to make a difference. So when she gets the chance to test a local creek for pollution, she can't wait to get started. But when things start going wrong with her experiment, Jessie and her siblings don't just have an experiment to investigate, they have a mystery to solve!

Two brothers take summer jobs at a department store where a series of peculiar events brings them under suspicion.