Accompanied by 2 compact discs in jewel case. "Includes audio CD and listening exercises"--Cover. The Oxford Picture Dictionary Canadian Workbooks are accompaniments to the OPD that allow it to be more easily used in the classroom as a core text.They correlate to the dictionary page-for-page with vocabulary reinforcing exercises at each of the three available levels. Each book comes with a listening section at the back of the book and 2 CDs.