Abstract
<jats:p>The book is jointly organized by USP professors from psychology, dentistry and medicine who are responsible for the FAPESP Thematic Project “USP Twins Panel”. Studies on behavior, health and well-being from an ontogenetic perspective using twins as a model are an active area of research. The book introduces readers to consolidated and emerging knowledge, based on research. It opens up perspectives for the interdisciplinary construction of theoretical and practical knowledge and possibilities for interdisciplinary actions. The increase in the rate of twin births is an important public health issue considering the risks to both children and mothers. The book, composed of 12 chapters, is organized into three parts: early development of twins, dentofacial development and research with twins on psychophysiological characteristics. The organizers are confident that students and professionals will be inspired by the enthusiasm of the chapter authors and will be able to discover new possibilities for professional and research activities. This work is part of the Coleção ABCD Agenda 2030 and is aligned to SDG 3 - Good Health and Well-Being, and SDG 4 - Quality Education (Objetivos de Desenvolvimento Sustentável).</jats:p>