caption: The image shows an old book with a picture of two women standing on top of a mountain, each holding a stick in their hands. The book is titled "Die Gebirgsreife von M. Nathusius" and the cover page is adorned with text. The women are wearing traditional German clothing, with one wearing a white dress and the other wearing a blue dress. The background of the image is a lush green landscape with rolling hills and a bright blue sky.