Pre-orders for "Harry Potter and the Half-Blood Prince" exceed half a million


One month before the release of the sixth volume in
J.K. Rowling's hugely successful
Harry Potter series, online retailer said that advance orders had topped the half-million mark.

A total of 568,000 copies of "Harry Potter and the Half-Blood Prince" have been ordered online and at US syndicated store sites, such as, Amazon said in a statement.

The online retailer has posted a "Harry Potter Meter" on its website which updates the number of advance orders every hour.MOre