Three stories in one collection! This volume includes The Amusement Park Mystery, The Mystery of the Mixed-Up Zoo, and The Camp-Out Mystery. In The Mystery of the Mixed-Up Zoo, the zoo is wonderful - it has seals and giraffes and elephants and tigers, and Benny’s favorite, a little monkey named Amos. It also has a mystery. Someone is mixing up signs, switching off electricity, and endangering the animals’ lives. If the Boxcar Children want to save the animals, they’ll have to solve the mystery - and fast!

Told from four-year-old Laura's point of view, this story begins in 1871 in a little log cabin on the edge of the Big Woods of Wisconsin. Laura lives in the little house with her pa, her ma, her sisters Mary and Carrie, and their trusty dog, Jack. Pioneer life is sometimes hard for the family, since they must grow or catch all their own food as they get ready for the cold winter. But it is also exciting as Laura and her family celebrate Christmas with homemade toys and treats, do the spring planting, bring in the harvest, and make their first trip into town.

Henry, Jessie, Violet, and Benny didn't think the old trunk in their house held anything interesting. But an unusual statue they find inside leads them to the Reddimus Society, a secret guild dedicated to returning lost treasures to where they belong. Now the Aldens must help their new friends by traveling across the country with the statue and six mysterious boxes! Can the Boxcar Children keep these seven treasures out of the wrong hands?

The Aldens are spending their first week of summer at Camp Quest in Colorado. The children are excited to learn about fossil-hunting and paleontology from renowned scientist Dr. Iris Perez. But strange events at the camp make them wonder if the legends of a bigfoot-like creature roaming the valley might be more fact than fiction. Can the Aldens help Dr. Iris figure out who - or what - is causing such a stir?

When an oil spill takes place off the coast of Connecticut, the Aldens are happy to volunteer to help clean up the animals affected, including a rare species of shore bird. But could more have been done to prevent the spill? As the Aldens take up the case, it leads them on an adventure to help other endangered animals around the world.

This volume includes: Benny Uncovers a Mystery, The Haunted Cabin Mystery, and The Deserted Library Mystery. In 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?

Three stories in one collection! This volume includes The Amusement Park Mystery, The Mystery of the Mixed-Up Zoo, and The Camp-Out Mystery. In The Mystery of the Mixed-Up Zoo, the zoo is wonderful - it has seals and giraffes and elephants and tigers, and Benny’s favorite, a little monkey named Amos. It also has a mystery. Someone is mixing up signs, switching off electricity, and endangering the animals’ lives. If the Boxcar Children want to save the animals, they’ll have to solve the mystery - and fast!

Three complete stories in one collection! Includes Mystery in the Sand, Mystery Behind the Wall, and Bus Station Mystery. In 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?

Three complete stories in one collection! Includes The Mystery Girl, The Mystery Cruise, and The Disappearing Friend Mystery. In The Mystery Girl, Henry, Jessie, Violet, and Benny are working in a general store to help out a friend of Aunt Jane’s. It seems to the children that the young girl who works in the store is behaving very strangely. She seems nervous and won’t answer any questions about her past. Then a strange man comes to the store asking about her. What secret is the mystery girl hiding?

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.

Three complete stories in one collection! This volume includes The Mystery Horse, The Mystery at the Dog Show, and The Castle Mystery.

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!

Three complete stories in one collection! Includes The Mystery of the Singing Ghost, The Mystery in the Snow, and The Pizza Mystery.

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?

The Boxcar Children: Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family? Surprise Island: The Aldens spend the summer on their own private island. There they meet a new friend with an amazing secret! The Yellow House Mystery: Years ago, a man vanished from the yellow house on Surprise Island. Why? The Aldens have found a clue to the mystery!

Three complete stories in one collection! Includes The Mystery of the Lost Village, The Mystery of the Purple Pool, and The Ghost Ship Mystery.

Three complete stories in one collection! Includes The Chocolate Sundae Mystery, The Mystery of the Hot Air Balloon, and The Mystery Bookstore.

Three complete stories in one collection! Includes The Gymnastics Mystery, The Poison Frog Mystery, and The Mystery of the Empty Safe.

Before they were the Boxcar Children, Henry, Jessie, Violet, and Benny Alden lived with their parents on Fair Meadow Farm. Although times are hard, the Aldens are happy - “the best family of all,” Mama likes to say. One day, a blizzard hits the countryside, and a traveling family needs shelter. The Aldens take them in, and the strangers soon become friends. But things never stay the same at the farm, and the spring and summer bring events that will forever change their lives.

Three complete stories in one collection! Includes The Mystery of the Stolen Sword, The Basketball Mystery, and The Movie Star Mystery.