The Vocabulary Files series consists of 5 Books, 64 pages each,for CEF Levels: A1- A2 - B1 - B2 - C1. The aim of the series is to give students the chance to expand their vocabulary in different areas. Each unit deals with a common Vocabulary topic; the vocabulary is taught through a variety of exercises with lots of illustrations to make them more lively and interesting. This series can be used as Time Fillers; when teachers have some extra time and they need something to do to help students revise what they have already been taught. Alternatively, it can also be used to help weak students enrich their vocabulary in various common topics.
Are you thinking of taking the Cambridge English : C1 Advanced? This table shows at a glance the different parts of each paper (Use of English, Reading, Writing, Listening & Speaking). It also lists the knowledge and skills tested in each part of the exam and includes links to download very useful resources to help you pass the different parts of this exam.