Here's a more detailed description:
* Harry is shown from the waist up, wearing his Hogwarts uniform. His face is serious and determined.
* He is standing on a bridge, seemingly over a dark, rushing river with fog and mist obscuring the distance.
* The shadowy figure appears behind Harry, tall and cloaked in darkness. It's unclear who it is, but it adds a sense of mystery and danger.
* The background is dominated by dark colors, suggesting the book's theme of darkness and danger.
* The title of the book, "Harry Potter and the Half-Blood Prince," is prominently displayed at the top of the cover in a bold, gothic font.
The cover artwork was done by Mary GrandPré, who illustrated most of the Harry Potter books. It successfully captures the book's dark and suspenseful atmosphere.