Tried and True ESL Lessons Time Saving Lesson Plans for Instructors Advanced Vocabulary are truly time saving for busy volunteer teachers as they eliminate the need for weekly lesson planning. Whether you are a brand new teacher or a seasoned veteran, you'll love the easy to follow teaching techniques and your students will love the variety of practical communication practice activities. Tried and True ESL Lessons Time Saving Lesson Plans for Instructors Advanced Vocabulary are really 'tried and true' as they have been used by Professor Black for more than 25 years.