The picture is of a young girl with her head down, looking at a book. She appears to be lost in thought.
There are a few possible interpretations of this image. One is that the girl is simply absorbed in her reading and is enjoying a quiet moment to herself. Another is that she may be struggling with the material and is feeling overwhelmed or discouraged. It's also possible that she's daydreaming or thinking about something outside of the book altogether.
In any case, the picture appears to be a fairly peaceful and introspective one.