Henry, Jessie, Violet, and Benny Alden have new neighbors, and they're all buildinga tree housel From up high the Aldens can see a strange round window on the house next door- but nobody can find the window from inside the attic. Does their neighbors old house have a secret? Join the Boxcar Children in their graphic novel adventure as they find out the truth!
Author - Gertrude Chandler Warner
Publisher - Albert Whitman & Company
Format - paperback
Pages - 32
Dimensions - 23x18cm
