Question: when was harry potter and the half blood prince published
Answer: 2005-07-16; 16 July 2005; 16 07 2005; 2005-07-16; 16/07/2005; 07 16 2005; 2005 07 16; 16-07-2005; 07-16-2005; 2005 July 16; 07/16/2005; 2005 July, 16