Khalid Mahmud Arif was a Pakistani general who served as military ruler General Zia-ul-Haq's vice-chief of army staff from 1984 to 1987. His two books 'Working with Zia' and 'Khaki Shadows' are political and military accounts of the Zia regime from 1977 to 1988, and the two previous martial laws that Arif witnessed as a serving army officer.