Breakthroughs Is An Upper Intermediate Esl Text For Adult And Young Adult Learners; It Focuses On Teaching Critical Thinking Skills And The Expression Of Critical Thought Using Adult-appropriate Concepts. Theme-based Units Help To Teach Students Advanced Reading, Writing, Speaking, And Listening Skills. This Workbook Accompanies The Upper Intermediate Student Book, Giving Students Extensive Practice With The Grammar And Vocabulary From The Student Book, As Well As A Complete Writing Program. Upon Completion Of This Four-skills Program, Students Will Be Prepared To Move On To The Advanced Level Of Breakthroughs.