The Boxcar Children — Shannon Eric Denton

Henry, Jesse, Violet, and Benny Alden are brothers and sisters-and they're orphans. The only way they can stay together is to make it on their own. One night, during a storm, the children find an old red boxcar that keeps them warm and safe. They decide to make it their home. This is just the beginning of their graphic novel adventures as the Boxcar Children!