Books

Complete German (Teach Yourself) Complete German (Teach Yourself)
2011
Enjoy German Intermediate to Upper Intermediate Course (Enhanced Edition) Enjoy German Intermediate to Upper Intermediate Course (Enhanced Edition)
2015
Keep Talking German Audio Course - Ten Days to Confidence Keep Talking German Audio Course - Ten Days to Confidence
2014
Get Talking German in Ten Days Beginner Audio Course (Enhanced Edition) Get Talking German in Ten Days Beginner Audio Course (Enhanced Edition)
2014