Marcia Babbitt & Donna M. Brinton 
Content-Based College ESL Instruction [PDF ebook] 

This book is carefully designed to inform and train readers in the techniques of content-based ESL instruction and to assist them in developing and implementing content-based materials and programs appropriate to their educational institutions and situations. Every chapter presents a balance of theory and practice, focusing on a detailed description, with clear examples of classroom practices including information, suggestions, and instructional tools. Each chapter addresses assessment issues as they apply to the particular methodology described.