Second title of the collection business Your benefits, this work proposes a novel approach to be fluent in professional English. Coach in international communication, the author takes the reader step by step through the development of abilities to communicate in English. Noting that difficulty speaking English are barriers to business communication than language issues, it proposes a progressive approach, practical tools for immediate use, with tests of self-assessment and numerous exercises to allow the reader to feel at ease in English and foremost comfortable communicating at work.