This is a UK First Edition, First Printing of Harry Potter and the Half-Blood Prince by J.K. Rowling, published by Bloomsbury in 2005.
Key Collector Details:
Rare Misprint: Includes the famous "eleven" O.W.L.s error on page 99 (later corrected to "ten").
Condition: The book is in good used condition with clean internal pages and a tight binding.
Note: This copy does not include the dust jacket. The pictorial boards are present and show [mention any specific wear like "light bumping to corners" here].
A great addition for any Harry Potter fan or collector looking for the specific first-run errors. Please see photos for the copyright page and the misprint on page 99.