Elsa Peterson has more than 20 years of experience in textbook and academic publishing as a freelance permissions editor, picture researcher, and developmental editor. Her most recent in-house position was as a senior developmental editor for psychology with McGraw-Hill Higher Education. Peterson recently authored a brief and accessible guide to copyright in the context of publishing titled Copyright and Permissions: What Every Writer and Editor Should Know (New York: Editorial Freelancers Association, 2012). She has also authored numerous articles about the business and craft of editing, and has presented TAA audio conferences on editing and copyright.