About the author
Luis Porras Wadley is the owner of KSE Academy®, an online English academy, LanguageCert Academic Partner and former Cambridge Exam Preparation Centre. He has been preparing candidates successfully for over ten years. He is also the author of other successful test preparation books, including Use of English B2, Use of English C1, Use of English C2, Writing B1, Writing B2, Writing C1 and Writing C2.
