The local radio station is putting on the Great Detective Race, where contestants must solve riddles and search all over Greenfield for clues leading to the grand prize! One of the prizes would make a perfect gift for Mrs. MacGregor, so the Aldens sign up for the contest. Soon they're following the riddles' clues all over town. But, when some of the clues turn out to be fake, it's clear that someone is playing unfairly. Could another contestant in...

The Aldens are spending a week at the Dare to Dream Ranch, a rescue ranch that takes in horses whose owners can no longer care for them. The children help with chores, and Jessie is thrilled to be looking after a beautiful horse named Dragon. But when two of the oldest horses are missing from the pasture, a mystery begins to unfold-why would someone want to steal two old, sick horses? Then Dragon disappears, too, and the children discover that one...

The Aldens head up north for the Calgary Stampede-a cowboy celebration of Canada's frontier spirit! But when a valuable piece of jewelry from the festival's history vanishes, the children are on the case. Can the Boxcar Children find the thief before the big show?

It's spring and all the baby animals are being born, a perfect time to visit the zoo. The Aldens join a group of kids as they all take pictures throughout the zoo, each hoping to win $500 in a photo contest. When one of the cameras is missing, the Aldens take on the mystery and save the day.

The Aldens are spending spring break on a beach, but they aren't just soaking up the sun. They're protecting an endangered species! Their job is to mark sea turtle nests so the eggs can be moved to a safe place to hatch, but someone is digging up the eggs without permission. Can the Boxcar Children figure out what's going on and help save the sea turtles? Adapted from Gertrude Chandler Warner's story of the same name, this early reader allows children...

The Boxcar Children have been chosen to play in an exciting new game show! A camera crew is following the Aldens around the city of Philadelphia as they compete with another brother-and-sister team in a search for clues. The search isn't easy, though, especially when someone has tampered with the Aldens' map and stolen one of Benny's treasures! Why is their team being sabotaged?

When the Boxcar Children visit a neighbor's house, a mysterious old wedding photo and a riddle lead them on a "spy game" devised long ago by the original owner of the house. When the children hunt for clues they discover amazing things, like a stone path whose pieces fit together into a jigsaw puzzle! But soon the children begin to suspect that there's a mystery inside the mystery. They read about a similar puzzle in one of their new Detective Club...

When a new dog obedience business opens in Greenfield, the Aldens decide to enroll Watch for a refresher course. At the first class a Dalmatian goes missing, and everyone wonders if the dog ran away or was stolen. But when a malamute disappears at the second class, Henry, Jessie, Violet, and Benny know they have a mystery on their hands. Could the thief be the class's instructor, the Dalmatian's owner, the dog groomer, or the owner with the very obedient...

The Aldens are at Wildcat Crossing, a recreated frontier town full of cowboy fun! But, when horses disappear and other pranks threaten to ruin the Wild West show, the Boxcar Children must find out who's the varmint causing all the trouble!

The Aldens are helping the owner of a local restaurant grow delicious food in a garden. They work hard to water and weed and take care of the fruits and vegetables that are growing. But, soon the children notice the strangest thing-the plants are moving. The tomato plants aren't in the same spot they were planted in! How could that be happening? Then, when fruits and vegetables start to vanish from the garden, it's clear that a brand new mystery is...