Box Car Mysteries

Three complete stories in one collection! Includes The Disappearing Staircase Mystery, The Mystery on Blizzard Mountain, and The Mystery of the Spider's Clue.

Three complete stories in one collection! Includes The Black Pearl Mystery, The Cereal Box Mystery, and The Panther Mystery.

Three complete stories in one collection! Includes The Ice Cream Mystery, The Midnight Mystery, and The Mystery in the Fortune Cookie.

After helping clean up an oil spill in Connecticut, the Aldens are heading to a much cooler climate, where scientists are working to conserve the snow leopard population. With only hundreds left in the world, the Aldens know each animal is important. Can the Aldens do their part to help save this elusive and important animal?

Three complete stories in one collection! Includes The Mystery at the Crooked House, The Hockey Mystery, and The Mystery of the Midnight Dog.

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 Mystery of the Stolen Sword, The Basketball Mystery, and The Movie Star Mystery.

One warm night four children stood in front of a bakery. No one knew them. No one knew where they had come from. Henry, Jessie, Violet, and Benny are orphans. Can they find a home where they can stay together as a family?

Henry, Jessie, Violet, and Benny are off to the rain forests of Sumatra, where a protected piece of land is home to endangered animals such as orangutans, elephants, and tigers. But when part of the forest gets cut down, the Aldens have to figure out who is responsible, not only to protect the rain forest, but also the animals within.

Three complete stories in one collection! This volume includes The Growling Bear Mystery, The Mystery of the Lake Monster, and The Mystery of Peacock Hall.

Three complete stories in one collection! This volume includes The Mystery of the Secret Message, The Firehouse Mystery, and The Mystery in San Francisco.

The Aldens have joined Dr. Iris Perez as she investigates legendary creatures around the world. In this adventure, the children travel to Iceland to look into stories of mischievous elves causing trouble. The legends of huldufolk, or hidden people, go back a long way in the country, but are elves really the cause of the problems, or is there a more natural explanation for the strange events on the island?​

When Works Progress Administration editor Millie Lang finds herself on the wrong end of a potential political scandal, she’s shipped off to Montana to work on the state’s American Guide Series—travel books intended to put the nation’s destitute writers to work. Millie arrives to an eclectic staff claiming their missed deadlines are due to sabotage, possibly from the state’s powerful Copper Kings who don’t want their long and bloody history with union organizers aired. But Millie begins to suspect that the answer might instead lie with the town’s mysterious librarian, Alice Monroe.

Three complete stories in one collection! Includes The Radio Mystery, The Mystery of the Runaway Ghost, and The Finders Keepers Mystery.

This bundle includes The Mystery of the Pirate's Map, The Ghost Town Mystery, and The Mystery in the Mall.

Three complete stories in one collection! Includes The Great Bicycle Race Mystery, The Mystery of the Wild Ponies, and The Mystery in the Computer Game.

Three complete stories in one collection! This volume includes The Mystery at Skeleton Point, The Tattletale Mystery, and The Comic Book Mystery.

Three complete stories in one collection! Includes The Summer Camp Mystery, The Copycat Mystery, and The Haunted Clock Tower Mystery.

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 Spy Game, The Dog-Gone Mystery, and The Vampire Mystery.