No, not alone.
You can find official excerpts and supplementary PDF materials directly from the publisher: Sample Pages: Hueber provides PDF samples of the table of contents and specific lessons. Transcripts: audio transcripts (Transkriptionen) Sicher C1 Pdf
Each chapter focuses on authentic themes like science, politics, psychology, and the workplace, integrating advanced grammar (e.g., subjective use of modal verbs, nominalization) with sophisticated vocabulary. No, not alone
The biggest mistake with PDFs is passive reading. For every Lesetext (reading text), open a separate document (or notebook) and write down: The biggest mistake with PDFs is passive reading
Buy the official digital version. The Hueber website offers a license for the interactive digital edition . You pay a reduced price (compared to the print book) and get a clean, official PDF with lifetime access to the audio and interactive exercises.