The article discusses changes in "dress for success" literature, or advice on business attire, directed at U.S. women in the late 20th and early 21st centuries, seeing these changes as a reflection of changing social norms as women entered the workforce in greater numbers. Sources examined include the advice of image consultants and writers in books such as "The Women's Dress for Success Book" by John Molloy and "Looks That Work" by Janet Wallach, and articles in mainstream U.S. newspapers and periodicals.