This comprehensive classroom guide to the complete "Let's Series" doesn?t just aid in ESL instruction, but is the ultimate teaching tool, supplying everything needed for success at teaching English, including methodology, syllabuses, lesson plans, skills evaluation and much more. After thirty years of proven success, the newest edition of Dr. William Samelson?s pioneer ESL methodology has arrived in an original 5 book series. Offering the most complete system of ESL teaching, the Let?s Series is an effective learning tool for both student and teacher. Practical in its arrangement and method, the Let?s Series simplifies the teaching and learning of English as a second language.