The book is a simple guide for writers at sentence level. The book features three important parts. The first part which include unit 1 and 2 explain what the sentences are, their types, and what they are made of — the elements of sentences. The second part which contain unit 3 to 6 elaborate the structures of the sentences and the common patterns of the sentences — the way in which sentence elements are arranged to form sentences. The last part highlights the common errors which might occur while writing sentences and how to fix those errors.