This volume features current, innovative, and effective ways of developing instructional materials for diverse English Language Teaching (ELT) contexts.It is divided into four sections, each featuring pedagogical materials designed for specific groups of learners.The sections focus on materials for general English, ESP and EAP, CLIL, and ELT teacher education courses.The chapters, written by experienced educators from around the world, are highly practical and detail the process of designing materials for innovative and sustainable language education.The contributors reflect on their own practice, describe the materials design process, explain the guiding principles, and connect the design process with the local context and educational policies.They also offer practical tips to inspire classroom practitioners to create their own materials, promoting innovative teaching and sustainable learning.Ultimately, their chapters aim to encourage a world where teaching involves creativity and adaptability, leading to transformative learning for both teachers and learners.