This cutting-edge Handbook explores the interactive and intergenerational nature of literacy across diverse environments, considering how disadvantaged families can be better supported through tailored programs. It provides an extensive exploration of family literacy, covering early childhood development, parenting education, and intervention services. Renowned experts outline multimodal and multilingual literacy practices and examine the role of community initiatives such as after-school programs and in-home book gifting, highlighting their impact on literacy and cultural preservation. Chapters propose frameworks for implementing culturally responsive education, providing novel perspectives on the role of mobile applications in heritage language literacy and on raising multilingual children. Ultimately, the Handbook illustrates the significance of family and community literacy, using case studies to present strategies which aid childhood literacy development. The Handbook of Literacy in Families and Communities is vital for students and scholars in sociology, family and gender studies, cultural studies, development studies and educational studies. Its streamlined approach to literacy practices makes it an essential resource for practitioners in social work and linguistics.