Harry Potter and the Half-Blood Prince, released on January 8, 2006 for the Indonesian version and July 16, 2005 in English-speaking countries with the title Harry Potter and the Half-Blood Prince, is the sixth of seven planned novels about the story of popular works J. K. Rowling, Harry Potter series.
This story at the time of Harry Potter’s background is in sixth year at Hogwarts school. This novel recounts the past of Lord Voldemort and Harry Potter preparation for the final battle, and spiced with the development of romantic relationships among the characters. Within 24 hours, this book sold 6.9 million books in the United States alone, or 287,564 books per hour, making it the fastest selling book in history. Indonesian edition sold over 53 thousand books at the time of its release. This book is dedicated to the Mackenzie, Rowling’s daughter who was born in the midst of writing this book.