Complex sentence: Several of his books, including "Geordie", made into a motion picture in 1955, were set in his native Scotland, while "Mallabec" and "Pirate Rock" were set in his adopted home province of New Brunswick.
Split into simpler sentences: Several of his books, including "Geordie" (1955), made into motion pictures. That was set in his native Scotland, while "Mallabec" and "Pirate Rock" were set in his adopted home province of New Brunswick.