at's based on extensive research into the Cambridge English Corpus, taking students from a high intermediate to advanced level of proficiency (CEFR: B2 - C1). Viewpoint Level 1 Student's Book is for young adult and adult students who have reached an upper-intermediate level of English proficiency (B2). Each of the 12 units in this level teaches the language, skills, and strategies that students need to progress beyond intermediate level and to speak and write in English naturally, effectively, and appropriately. From the same author team as the ground-breaking Touchstone series, Viewpoint 1 also draws on the Cambridge International Corpus which underpins a highly effective approach to teaching English language.