The Aldens discover there's nothing more fun than a drive-in movie. But pranks and other odd things are happening at the Diamond Drive-In, and late at night, a ghost is seen walking around the empty lot. Is the old theater really haunted?

The Alden children uncover a plot to sabotage the Greenfield Bears baseball team. Includes baseball puzzles and activities.

"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 Aldens have joined Dr. Iris Perez as she investigates legendary creatures around the world. In this adventure, the children investigate what might be living in the deep trench off the coast of Puerto Rico. From manatees to mermaids to sea monsters, creatures of the sea have been attracting tourists to the area for years. But when a man on a nearby island goes missing, it's up to the Aldens to sort out fact from fiction.

The pumpkin head mystery: 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! The cupcake caper : People line up around the block to buy Mama Tova's cupcakes. But who could be trying to steal her secret recipe? The clue in the recycling bin : The Aldens are volunteering at the local recycling...

The Boxcar Children solve mysteries while working in a general store, vacationing on a cruise in the Caribbean, and while trying to raise money for a local hospital, in this collection of three stories.