Book of Qi was originally only known as the "Book of Qi", but after the "Book of Northern Qi" was written, it became known as the "Book of Southern Qi" so that the two could be distinguished. The book contained 60 volumes when written, but one preface was later lost. The format of the text is similar to previous standard histories, with volumes that include annals, treatises, and biographies. Volumes 1 to 8 are annals covering the emperors of the dynasty starting with Emperor Gao in volumes 1 and 2. Some short lived rulers that were not given the posthumous title of emperor
The Lord of the Rings: The Return of the King DVD sets for the two previous films were released eight months after the films were released, but "Return of the King"'s set was completed in five because it did not have to market a sequel (the previous films had to wait for footage of their sequels to become available for a ten-minute preview). However, it contained a seven-minute trailer of the entire trilogy. "The Return of the King" followed the precedent set by its predecessors by releasing an Extended Edition (251 minutes) with new editing and added special effects and music, along with four commentaries and six hours of supplementary