The list of Caldecott Award Winners—those books that have been recognized by the Association of Library Service to Children for being the most distinguished American picture book for children—is long and varied. The Little House, Madeline, Where the Wild Things Are, Frog Went A-Courtin’, and many more famous books might come to mind when thinking of the Caldecott honor. However, there are more than a few unusual treasures that you’ve probably never heard of. Now we bring them off the shelves, clear some dust, and introduce you to these winners of one of the highest honors in children’s book publishing.