Boxcar Children graphic novels
The Alden's search for carousel horses that have disappeared from an amusement park.
12) Castle Mystery
The Alden children have another mystery to solve when they visit a castle and must figure out which of the guests has stolen the Stradivarius violin.
There are many legends about a woodshed near the old farmhouse where the Alden children's grandfather grew up.
Strange things happen after dark when the Alden children take a trip to New England and stay in a lighthouse.
While hiking up Old Flat Top, a dangerous rockslide changes everything, revealing a hidden cave that just may hold a legendary treasure.
While the Alden children are on a houseboat for a week, someone is watching them and wants something on their boat and he'll stop at nothing to get it.
17) Bicycle Mystery
A lost dog finds the Alden children when they have to take shelter in an old, abandoned house while on their way for an overnight bicycle trip.
A trail of clues leads the Alden children to Tower House after Benny finds a gold necklace in the sand at the beach.