A distant relative asks for the help of the Boxcar children when enigmatic events start happening at her mansion.
The Alden Children are on vacation at an aquarium in Florida, where they feed the penguins, swim with dolphins, and come face-to-face with a great white shark! The shark draws crowds and thrills the park’s visitors. But the Aldens soon discover that the shark is in danger—someone at the park wants it gone. How will the Boxcar Children fish out the crook before it’s too late for the shark?
The Aldens are spending a week at Camp Seagull on beautiful Claw Island. But as soon as camp begins, they realize that someone is not playing fair. Everything begins to go wrong for the Aldens—they lose their luggage, Henry misplaces the camp flag, and the campers on the other team use one of Jessie’s ideas to score points for themselves. Are some campers so desperate to win the Olympics that they are willing to cheat? The Boxcar Children are determined to solve the mystery before the competition is ruined for everyone!
Someone is building a large, fancy house down the street from the Alden's--a house shielded by a tall stone wall. The only way to approach the house is through an iron gate decorated with huge black widow spiders! Benny is certain the new neighbors must be hiding something...but what could it be? The Boxcar children are determined to investigate.
The Aldens are visiting Grandfather’s friend Abby in Peachland, Canada—home of the mysterious lake monster called Ogopogo. When the children learn that Abby must sell her resort unless she can attract more business, they decide to help. But someone or something is trying to get in their way. Can they save the resort?
Every fall at the Beckett farm, visitors come to buy pumpkins and go on hayrides. Best of all, Henry, Jessie, Violet, and Benny get to dress up in costumes and help with the fun. But something is haunting the farm … a mysterious ghost with a glowing pumpkin head!
At a seaside resort, The Boxcar Children find a piece of a map that leads to a pirate's treasure. The whole resort goes treasure-map crazy as they try to find out what old Charlie Morgan has buried.
SUMMARY: Henry, Jessie, Violet, and Benny Alden are on another summer trip to visit Aunt Jane at Mystery Ranch. They_re thrilled to find their friend Mike Wood lives in the bustling new town near the ranch. But one night, Mike_s house burns down and he is blamed for starting the fire!
Henry and Jessie’s middle school robotics team is going to the regional competition! But it seems like someone doesn’t want their team to compete. Can the Aldens use their sleuthing skills and what they’ve learned about robotics to find the culprit and save the day?
Henry, Jessie, Violet, and Benny meet Mr. Hudson, a local author who is best known for his novel about a vampire. But rumors of a real vampire are going around town—a vampire who haunts the graveyard behind Mr. Hudson’s house! Since vampires don’t exist, the children soon realize that someone must be trying to scare people away! Who brought the old legend back to life—and why?
On their trip to Oregon, the Aldens are excited to find out that Watch has the right skills to be a search and rescue dog! When they start training him in the woods one of the first things he “rescues” is a backpack filled with valuable jewelry—and it fell out of a plane! How could that have happened? When the children try to return the backpack to its owner, the mystery becomes even deeper!
The Aldens are visiting the New Jersey shore and enjoying the beach and the boardwalk attractions. A family friend has just bought an amusement pier, and the children are excited to help out. But there are rumors that the rides aren’t safe, and someone has stolen a zombie from the haunted house! Can the Boxcar Children find out what’s behind all the trouble?