Sent by Ruslania.com promptly from Helsinki, Finland.Description:I love Russian. 4 lessons for Elementary to Pre-Intermediate students. Keys
Self-study material (keys to all exercises in textbook)
4 large lessons are The four orbshaped modules cover all B1.2 level topics.

B1.2 keys book is intended for those using the course book for self studies.
You can buy the textbook and teacher's guide, too.