Harry Potter and the Half-Blood Prince new trailer

A new international trailer for Harry Potter and the Half-Blood Prince has been released, showing new footage from the film not previously seen.

As Harry Potter begins his 6th year at Hogwarts School of Witchcraft and Wizardry, he discovers an old book marked mysteriously “This book is the property of the Half-Blood Prince” and begins to learn more about Lord Voldemort’s dark past.

The movie is due out July 2009.