Collins Work on Your Vocabulary - Intermediate (B1) is a comprehensive workbook aimed at learners of the English language at the B1 level (CEF). It offers a structured approach to the vocabulary required for the intermediate level. The book includes 30 thematic units that present clearly formulated vocabulary and examples. Each unit is supplemented with practical exercises that help learners internalize what they have learned and apply it confidently in both written and spoken communication. The selection of vocabulary is based on extensive research and the expertise of linguists, ensuring that the content is authentic and up-to-date. The clear layout and simple illustrations promote a clear understanding and easy navigation through the book. Collins Work on Your Vocabulary - Intermediate (B1) is suitable for both self-study and classroom use, making it a valuable resource for learners and teachers alike.