 McLean was author of numerous other works, including "Modern Book Design" (1958), and many of these have become standard reference works.McLean continued as a practising typographer, and was called upon by well-known British journals and magazines, such as "The Observer's" weekend review, "The Economist", "New Scientist" and "The Twentieth Century".In 1973 he moved with his wife and family and his business partner, Fianach Jardine, to the relative seclusion of Dollar, Clackmannanshire, Scotland.