Henry, Jesse, Violet, and Benny Alden have a home with their grandfather—but their adventures are just beginning! They're about to spend the summer camping on their own private island. The island is full of surprises, including a kind stranger with a secret. Join the Boxcar Children in their graphic novel adventure on Surprise Island!

Henry, Jessie, Violet, and Benny used to live alone in a boxcar. Now they have a home with their grandfather and a new computer to play games on!   During a visit to a computer game company, the Aldens meet the designers of their favorite game: Ringmaster. When the designers learn the Aldens are Ringmaster experts, they ask for their help. Would the Aldens test the new version of the game before it is sent out to stores? The Aldens gladly agree.

Benny's curiosity, while staying in a fishing village, leads to capturing a swindler.