
Harry Potter and the Half-Blood Prince is based on the 6th installment of the Harry Potter series. It was released in 2010 and only contained one set, The Burrow, home of the Weasleys.
Harry Potter is a LEGO theme licensed from Warner Bros. and based on the book series by J. K. Rowling. The Harry Potter theme was initially introduced in 2001 and released sets with each of the 8 movies. Each theme contained a subtheme that directly related to each of the films in the franchise.