This book is for secondary subject matter teachers and administrators who work with English language learners (ELLs) in subject matter classes. It is also for college professors who prepare pre-service teachers to work with those students. The book brings together insights from linguistic, socio-cultural, educational, cognitive, developmental perspectives of what it means for ELLs to learn both English and subject matter knowledge in English as a second language. It delineates unique challenges that ELLs experience, offers ELLs' learning stories, and suggests concrete strategies with...