This digital-only resource provides access to the Interactive Textbook, an online version of the student book that delivers a host of interactive features to enhance the teaching and learning experience, together with an Offline textbook. The Interactive Textbook is available as a two-calendar-year subscription. Your subscription term is defined as follows: if activation occurs between January and July of this year, subscription concludes on 31 December in the following year. If activation occurs between August and December of this year, subscription concludes on 31 December in the year after the following.