Harry Potter and the Half-Blood Prince is the sixth novel in the Harry Potter series written by J.K. Rowling. The novel was first published in 2005. In the new school year, the war between the dark and light forces goes on. Voldemort opposes the Order of the Phoenix, and Harry and Professor Dumbledore are diligently searching for the Horcruxes that can defeat the Dark Lord. Things are getting darker and darker, and Hogwarts does not feel safe at all.