Gertrude Chandler Warner

During a trip to Oregon, the Aldens are astonished when Watch discovers a backpack filled with valuables, a finding that compels them to learn what happened and return the backpack to its rightful owner.

"The Aldens are on a special vacation up north to see the Calgary Stampede -- a cowboy celebration of Canada's frontier spirit! There's a parade through the streets of Calgary, a spectacular stage show, and plenty of fun things to do. But behind the scenes at the festival, an important piece of jewelry goes missing. Can the Boxcar Children find the thief before the big show is ruined?"--Jacket flap.

The four Alden children, aged six to fourteen, volunteer at the new recycling center in town, and help uncover who is breaking in and making a mess each night.

While vacationing at a friend's country home, the four Alden siblings try to find a long-missing, priceless brooch and investigate the existence of a ghostly stream.

The Alden children suspect someone of trying to sabotage the local dog show.

People line up around the block to buy Mama Tova's cupcakes. But who could be trying to steal her secret recipe? The Boxcar Children follow clues to a cupcake contest, where they must use their mystery-solving skills to find a thief.

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

A local radio station is holding the Great Detective Race, and the Boxcar Children have entered the contest! They solve riddles and search all over town for clues leading to the grand prize. But when some of the clues turn out to be fake, it's clear that someone is playing unfairly! Who could be trying to ruin the race - and why?

The Aldens investigate the rumors of ghosts, disappearing props and a haunted seat in the Trap-Door Theater.

The Aldens are excited to meet their favorite celebrityWalter the Cat, who makes the funniest videos on the Internet! And when this celebrity cat inherits a million dollars from his owner, he becomes even more famous! But someone seems to be angry about the will and is stealing things from Walters house. Is this cat too famous for his own good?