A fully revised edition of Proficiency Masterclass for the new 2013 Cambridge English: Proficiency exam, from an experienced and trusted author team.Proficiency Masterclass will motivate students and spur them on to achieve a more sophisticated, natural and accurate use of English.Proficiency Masterclass helps aspirational students to excel in their English while providing suitably challenging, reliable preparation for the new 2013 Cambridge English: Proficiency exam - in and out of the classroom.