About the Author Wiley empowers learners, researchers, universities, and corporations to achieve their goals in an ever-changing world. For over 200 years, Wiley has been helping people and organizations develop the skills and knowledge they need to succeed. Wiley develops digital education, learning, assessment, and certification solutions to help universities, businesses, and individuals move between education and employment and achieve their ambitions. By partnering with learned societies, we support researchers to communicate discoveries that make a difference. Our online scientific, technical, medical, and scholarly journals, books, and other digital content build on a 200-year heritage of quality publishing.