It consists of 6 Introductory Lessons and 15 Units that are thematically organized and include Vocabulary, Reading, Grammar, Writing, Listening, Speaking, and Build it up. Additionally, there are 15 Progress Checks with review exercises and oral questions. At the end of the book, there are Vocabulary Appendices in the form of picture dictionaries, a Grammar Appendix with Verbs & Tenses tables, and a list of Irregular Verbs. Listening Transcripts are also included.