First of all, thank you for showing and interest in my worksheets for these books. The Vocabulary Workshop series by Sadlier are great textbooks to use in any type of English classroom (ESL, EFL). As a teacher of over 20 years I have often found these books very useful for increasing a student's vocabulary power. To me, I think that vocabulary is key to any language. Vocabulary words are the tools that enable the student to apply new words to their reading, speaking, grammar, listening, and writ