Produktname: B2 Erkundungen — interaktives PDF-Lehrbuch
You can try searching for "B2 Erkundungen PDF" on online platforms, such as:
Reading (Lesen):
Elias looked at the glowing screen, then at his empty notebook. He closed the laptop. The PDF hadn't given him the answers to the test, but it had given him the one thing he actually needed: the realization that you can't download fluency.