Clone trooper film series and in the "Star Wars" expanded universe media, a number of specialized trooper units are seen, including elite special forces units such as the 'Advanced Reconnaissance Commandos' (ARC troopers), and Null ARCs, who usually work alone. All clone commandos and ARCs were trained by Mandalorian mercenaries; the elite Clone Troopers are known as Shadow Troopers. The style and color of a clone troopers armor often varies depending on their rank, specialization, unit, or environment, for example, the clone troopers on Kashyyyk wear camouflage green scout-style armour whereas the 501st legion wears standard white armor with blue accents. Another
The Art of Star Wars in 1981, the film series adopted an episodic naming convention in the opening crawl. From 1994, reprinted editions of the first three books also adopted episode titles — "The Art of Star Wars Episode IV: A New Hope", and so on. Revised editions of the first three books were published in 1997, with changes and new material added to reflect the additional special effects used in the Special Edition theatrical releases. The Art of Star Wars The Art of Star Wars is a series of books by various editors featuring concept art from the "Star Wars" motion picture saga. The