Combines Workbook, Grammar Book, and Companion into one book and consists of 52 lessons (4 Intros + 36 Lessons + 6 Writing Tasks + 6 Revision Lessons) with thematically organized vocabulary, detailed grammar theory, grammar songs for each grammatical phenomenon, and a variety of vocabulary and grammar exercises. At the end of the book, there is an Appendix that includes 6 Reviews, tables with Verbs & Tenses, a list of Irregular Verbs, as well as an Alphabetical Vocabulary List with all the vocabulary.