Gertrude Chandler Warner

"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?"--Amazon.com

"When the Alden siblings visit their grandfather's friend in an apartment building, they begin to wonder about the many mysterious events that keep happening on the thirteenth floor of that building."--

The Aldens are visiting friends for a big Dia de los Muertos celebration. The kids love learning about the holiday and helping out - that is until mysterious events threaten to ruin everyone's preparations. Can the Aldens figure out what's going on and help their friends save the celebration?

Jessie and Henry's robotics team is competing in a big tournament. But when their robot is stolen, the Aldens have a high-tech mystery to decode!

At the same time that the Alden children's efforts to raise money for a new hospital wing are being sabotaged by nasty tricks, they find their attempts to befriend the new girl Beth frustrated by her strange behavior.

Benny wants adventure and finds it as he and the other Alden children help uncover the plan of those who would prevent ballooning from coming to Lloyd's Landing.

"The Aldens visit Ireland and stay in a beautiful castle that's now a hotel. But at night they see a mysterious figure who walks with a lantern, and think it could be one of the legendary banshees"--

"The old abandoned school in Silver City is being fixed up as an art center and the Boxcar Children volunteer to help clean up the place. But the other volunteers are scared by the spooky goings-on in the school--doors lock by themselves, and chalkboard messages appear out of nowhere! Will the Aldens find out the secret of the haunted school?"--

"During auditions for the show 'Pop Star Sensation' at the local mall, one of the judges, a famous pop star, disappears, and the Aldens must find out where she went"--

The Boxcar Children
Henry, Jessie, Violet, and Benny, four orphaned siblings, suddenly appear in a small town. The children make a home for themselves in an abandoned red boxcar they discover in the woods. Ambitious and resourceful, the plucky children make a happy life for themselves—until Violet gets too sick for her brothers and sister to care for her.

Surprise Island
Adventure abounds as Henry, Jessie, Violet,...