• theory-based message design links theory and practice by explaining how psychosocial theories of behaviour change can be used to design effective health communication messages
• audience-centered message design provides clarity on how diverse audiences' cultures, beliefs, barriers, and needs can be effectively addressed
• suggested further readings guide students through additional theory and research
• end-of-chapter discussion questions encourage critical thinking about the implication of each chapter on future theory, research, and practice relevant to health communication message design and evaluation
• a glossary.