In the book OSD-NAVI B2 Teacher's Handbook, you will find the entire student book with all exercises solved, the transcription of the listening exercises, as well as the development of the book's oral and written topics. The solutions for the oral and written topics are non-binding samples. Each teacher may have other ideas and suggestions. The teacher's book Lehrerhandbuch is sold only together with the MP3 to teachers and language schools.