Book excerpt: From the Publisher: Essentials of Global Health is just one offering in Jones and Bartlett's new Essential Public Health series. The book is a clear, concise, and user-friendly introduction to the most critical issues in global health. It illustrates key themes with an extensive set of case studies, examples, and the latest evidence. While the book offers a global perspective, particular attention is given to the health-development link, to developing countries, and to the health needs of poor and disadvantaged people. This introductory level textbook is perfect for undergraduate students and others new to the field of public health or global health. It is based on and designed for a one-semester global health course.