The fourth edition of Infancy is a comprehensive and accessible core text for courses in infant development and early childhood development. Dana Gross’s sensitive and engaging teaching voice seamlessly weaves together research and theory with current issues of diversity and culture. This resource provides students with enough detail to understand methodological issues, explore both practically and theoretically important topics, and engage in thinking critically about development from birth to age three. Each chapter of this newest edition has updated coverage and instructor-friendly materials, including: diversity, equity, and inclusion topics and perspectives;research practices; new technologies; mental health in child development; andthe role and impact of family connections.