Gold Advanced Teacher's Book provides:  step-by-step guidance on how to use Gold in a blended classroom  full teaching notes with answer key, and seperate audio script section plenty of ideas for warmer, extension and alternative activities easy-to-use cross-references to additional practice in other components two photocopiable worksheets with teaching notes for each unit.  With the Teacher's Book:  Online Testmaster providing editable unit, progress, entrance and exit tests.