J.K. Rowling’s Phenomenal Bestseller Harry Potter and The Half-Blood Prince to Be Released in Paperback on July 25, 2006 » Yahoo News
In the US alone, the hardcover edition of Harry Potter and the Half-Blood Prince sold 6.9 million copies in the first 24 hours, making it the fastest selling book in publishing history. The book hit stores at midnight on July 16, 2005. Too bad that they did’nt realize that millions of people around world want to have own copy of this book. If they realease the paperback sooner they can earn more.
With an unprecedented initial print run of 10.8 million, Harry Potter and the Half-Blood Prince broke all industry records, including that set in June 2003 by Rowling’s fifth novel, Harry Potter and the Order of the Phoenix.
Since their publication all six Harry Potter titles have remained on bestseller lists.