This set includes two editions of 'Understanding and Using English Grammar.' The first book is the main textbook in its fifth edition, while the second is a workbook designed to complement the primary text. Both books are presented in a vibrant blue cover that makes them visually appealing. The clear and organized layout enhances readability, making grammar concepts easy to grasp for learners. The inclusion of essential online resources in the textbook provides added value, ensuring students have access to extra materials for further learning. This set is perfect for anyone looking to improve their English grammar skills effectively.