Macmillan English Grammar in Context Essential Student’s Book with Key & CD-ROM is a grammar reference and practice book designed for elementary to pre-intermediate learners. It teaches essential English grammar through clear explanations and real-life contexts, helping students understand how grammar is used in everyday communication. The book includes a wide range of guided practice activities that develop accuracy in speaking and writing, along with review sections to reinforce learning. This edition comes with an answer key for self-study and a CD-ROM offering extra interactive exercises and practice, making it suitable for both classroom use and independent learning.