American Download B1 Teacher's Book contains:
clear lesson plans with detailed instructions and the key to all tasks from the Student's Book
suggestions for extension tasks and teaching tips
the recording scripts with justification underlined for the listening tasks included in the Student's Book
photocopiable tasks for use with students who finish early in class, as a way of reviewing prior to a test, or as extra practice of the vocabulary and grammar in the Student's Book
the keys and recording scripts (justification underlined) for the Workbook and Test Book