"The Animal Shelter Mystery: "When a calico cat appears at Grandfather's, the children look for the founder of the town's animal shelter.
"The Old Motel Mystery: "The Boxcar Children offer to help Aunt Jane's friend, Kay, fix up her run-down motel.
"The Mystery of the Hidden Painting: "The discovery of a painting of the children's grandmother involves the Aldens in a search for a sapphire necklace.

"The Animal Shelter Mystery: " Strange things are happening in Greenfield where the Boxcar Children live. Stray cats and dogs appear on doorsteps, but the animal shelter is forced to close, and a nice old woman disappears. Henry, Jessie, Violet, and Benny are very worried about Mrs. Newcombe. Is she in danger? Who are the strange men lurking around her house? And what are they going to do with all the animals who need homes, including a little cat they call Patches?
"The Old Motel Mystery: "Aunt Jane takes the Aldens to stay with her friend, Kay, who owns an old, shabby motel in Florida. Kay is ready to sell the motel, when the children offer to help fix it up and put it back in business. But they soon learn that someone is trying to make sure it stays "out" of business . . . forever.
"The Mystery of the Hidden Painting: "The Aldens find a mysterious painting hidden in the attic. The children learn that it is a portrait of their grandmother, whom they never knew, wearing the necklace Grandfather gave her when they were married. The necklace disappeared on their first anniversary -- and was never found. Can the Boxcar Children track down a necklace missing for so many years?

"Benny Uncovers a Mystery" Benny and Henry are working all summer at Furman's, the biggest store in town, but they hadn't expected that solving mysteries would be part of their job When an expensive vase disappears, the salespeople receive odd notes, and the jewelry display is tampered with, it's up to Benny to uncover the truth
"The Haunted Cabin Mystery" The Aldens are going with grandfather to visit his friend, old Cap Lambert, a retired riverboat pilot who lives in a cabin in the woods. To get there, the Boxcar Children take a wonderful trip down the Mississippi in a paddlewheel boat. But when they arrive at Cap Lambert's cabin, they find some mysterious things are going on. Spooky phone calls, eerie flickering lights, strange dark figures. Is the cabin haunted?
"The Deserted Library Mystery" The Aldens are helping save an old library that's about to be torn down. If they fix it up, it might be given landmark status But after all their hard work, it's very clear someone is trying to destroy the library. But who?

"Mystery in the Sand" The Alden family is spending sunny days at the shore and summer nights in the mobile home right on the beach One morning Benny finds a gold necklace in the sand, and a search for its owner begins a trail of clues that leads to Tower House, the strange old mansion nearby. What will the Boxcar Children find there? "Mystery Behind the Wall" The Aldens have found a mystery under their very own roof When the children found an old journal behind the closet wall in the guest room, they never dreamed it would lead them on a search for valuable coins. What happened to the girl who wrote the journal -- and what is she trying to tell them? "Bus Station Mystery" The Aldens are bound for the Science and Hobby Fair, but when a bad storm hits, they're forced to stay in the bus station. Before they know it, the Boxcar Children are in the middle of a mystery involving a polluted river, two strange boys, and a bus station manager who knows more than anyone suspects....

"Snowbound Mystery" It's an unusual winter vacation for the Alden family when a huge snowstorm traps them in the woods Luckily, the log cabin where they're staying is cozy -- only there are strange noises in the night and a mysterious code is carved into the closet door. The rescue is a long wait for the Boxcar Children, but the cabin is full of secrets. "Tree House Mystery" The Alden children are helping their neighbors build a tree house. From the tree house, the children discover they can see into the attic of the house next door . . . and they notice a window that not even their neighbors know about Does the old house have a secret? "Bicycle Mystery" The Aldens are making the journey to their Aunt Jane's house on an overnight bicycle trip. But on their first night, when the children are caught in a rainstorm and have to take shelter in an old abandoned house, a most unusual mystery -- a lost dog -- finds them

"The Woodshed Mystery" The Alden children are staying at the New England farmhouse where their grandfather grew up. There are many stories and legends about the old farm, and there's a woodshed near the house that holds a surprising secret . . . a secret that dates all the way back to the Revolutionary War "The Lighthouse Mystery" When the Aldens take a summer trip to the New England coast, they have a fun place to stay: a lighthouse But strange things happen after it gets dark -- an unknown woman is seen walking around, and Watch, the Aldens' dog, wakes up growling late at night. Can the Boxcar Children shed light on a seaside mystery? "Mountain Top Mystery" The Aldens climb a mountain and find a mystery The hike up Old Flat Top was only supposed to take a day, but a dangerous rockslide changes everything and reveals a hidden cave that just may hold a legendary treasure

"Mystery Ranch" The Aldens visit their mysterious Aunt Jane at her run-down ranch and make a surprising discovery "Mike's Mystery" A nearby house burns down while the Boxcar Children are staying with their Aunt Jane -- and their friend Mike is blamed for starting the fire "Blue Bay Mystery" The Aldens are excited to visit a deserted South Seas island. But soon they discover clues that they are not alone. Is someone on the island watching them?