Business Benchmark Second edition is the official Cambridge English preparation course for Cambridge English: Business Preliminary, Vantage and Higher (also known as BEC), and BULATS. The Personal Study Book is intended as reinforcement of the material studied in the Business Benchmark Student's Book. It contains extra vocabulary, grammar and writing skills activities, based on the Student's Book units and a full answer key to all its exercises. This pocket-sized book is compatible with either the BULATS or Business Preliminary version of the course.