"30 Days to Better English" by Norman Lewis is a practical guide to improving grammar, vocabulary, and communication skills in just 30 structured lessons. Each chapter includes exercises, practical examples, and tips for mastering key aspects of the English language. It’s ideal for students, professionals, and non-native speakers aiming to enhance their fluency and confidence. While concise and engaging, it focuses more on written English, making it a great starting point for language learners.