This text is an introduction to the basic rules of grammar with examples exercises & activities. It is designed for those re-taking examinations or hoping to improve their communication skills for qualification & employment purposes. It starts with a self-assessment questionnaire to establish user's strengths & weaknesses & guide him/her to appropriate chapters. Subsequent chapters tackle various types of grammar terms & conventions with each chapter including examples taken from everyday sources & a range of realistic checkpoint exercises & activities. A chapter of further activities gives additional opportunities for practice & revision. A checklist of the 250 most commonly misspelled words is provided as are the answers to exercises & activities where appropriate.