"Emotional Engineering, Vol. 5" offers a comprehensive analysis of the latest research findings on emotions in engineering, with a particular focus on design and manufacturing. The book covers a wide range of topics, including experiences, happiness, cognitive science, neuroscience, additive manufacturing, universal design, branding, and teamwork. It highlights both the perspective of end-users of engineering products and that of professionals. This interdisciplinary approach allows researchers, students, and practicing engineers to view the subject from a new angle and gain insights on how to collaborate with professionals from other fields to promote a more connected society.