This book offers a comprehensive view of multimodal composing and literacies in multilingual contexts for ESL and EFL education in United States of America and globally. It illustrates the current state of multimodal composing and literacies, with an emphasis on English learners' language and literacy development. The book addresses issues concerning multilinguals' multimodal composing and reflects on what the nexus of multimodality, writing development, and multilingual education entails for future research. It provides research-driven and practice-oriented perspectives of multilinguals' multimodal composing, drawing on empirical data from classroom contexts to elucidate aspects of multimodal composing from a range of theoretical perspectives such as multiliteracies, systemic functional linguistics, and social semiotics. This book bridges the gap among theory, research, and practice in TESOL and applied linguistics. It serves as a useful resource for scholars and teacher educators in the areas of applied linguistics, second language studies, TESOL, and language education.