Henry, Jessie, Violet and Benny Alden discover that a mystery surrounds the run-down yellow house on Surprise Island. The children find a letter and other clues that could lead them on the trail of a man who vanished from the house.

Henry, Jessie, Violet, and Benny Alden are on another summer trip to visit Aunt Jane at Mystery Ranch. They're thrilled to find their friend Mike Wood lives in the bustling new town near the ranch. But one night, Mike's house burns down and he is blamed for starting the fire!

A family, snowbound in a vacation cabin, discovers adventure in surrounding wild life, three children they find in the snow, and a search for a lost recipe.

"Henry, Jesse, Violet, and Benny Alden take a trip down the Mississippi River and stay in a haunted cabin! At least it seems haunted--there are spooky phone calls, flickering lights, and strange shadows. Is there a ghost in the cabin? Join the Boxcar Children in their graphic novel adventure as they solve the mystery of the haunted cabin!"--Page 4 of cover.

The Aldens are having a delicious time helping out at a pizza parlor! They toss dough in the kitchen and even invent a new kind of pizza. But when a blackout and other problems hurt business, they begin to wonder if someone is trying to shut down the pizzeria. It's piping hot mystery for the Boxcar Children!

"The Alden children are staying at the New England farmhouse where their grandfather grew up. There are many legends about the old farm, especially about a woodshed near the house. Can the boxcar children discover the secret of the woodshed--one that goes back to the Revolutionary War?"--Page 4 of cover.

"Henry, Jessie, Violet, and Benny Alden are going to climb a mountain! The hike up Old Flat Top is only supposed to take a day, but a dangerous rockslide changes everything. The rockslide reveals a hidden cave that just may hold a legendary treasure. Can the boxcar children solve the mystery of what's on top of the mountain?"--Page 4 of cover.

"The Aldens are making the journey to their Aunt Jane's house for an overnight bicycle trip. On their first night, though, the children are caught in a rainstorm. They have to take shelter in an old, abandoned house. There, a most unusual mystery--a lost dog--finds them! Can the boxcar children figure out the mystery of where the dog belongs?"--Page 4 of cover.