Schubert Verlag provides several essential companion materials online:
Reaching the C1 level in German is a major milestone. At this stage, you aren't just learning to "get by"—you’re learning to express complex ideas, recognize implicit meanings, and use the language flexibly for academic or professional purposes. If you are looking for a resource that balances rigorous grammar with modern communication, Erkundungen Deutsch als Fremdsprache C1
Mastering Advanced German: A Guide to "Erkundungen C1" Reaching the C1 level in German is a major milestone. It marks the transition from being a proficient speaker to someone who can handle complex, spontaneous conversations and professional environments with ease. One of the most respected resources for this stage is .
– The publisher often provides free sample chapters and listening materials on their site.