Snowbound Mystery: A Graphic Novel (Boxcar Children Graphic Novels)

Henry, Jessie, Violet, and Benny are on a fall vacation in the woods - but suddenly a snowstorm hits! While they're trapped in their cabin they discover a strange message written in code hidden in a secret spot! Who is the message for? The Boxcar Children wait to be rescued from the deep snow, but in the meantime they have a mystery to solve!