This document provides an overview of the contents and structure of a student book titled Messages Student's Book 4. It includes a map of the book that outlines the 12 modules, including the grammar, vocabulary, listening, reading, and communicative tasks covered in each module. It also lists the coursework assignments, grammar checks, study skills lessons, and progress checks included in the book. The document contains sample excerpts from module activities that provide instructions and content for language learning exercises, including describing a painting, completing a fact file, and revising uses of present and past verbs.