This practical resource is a comprehensive introduction to envisioning and carrying out high-quality teacher research in early childhood settings. The text features original research projects by teachers working with infants, toddlers, preschoolers, and primary-age children. With special attention given to multicultural and multilingual classrooms, the authors examine forms of children's play, social interaction, and friendships, language and literacy learning, as well as work with parents and families. This how-to guide provides: