I can provide targeted recommendations or specific grammar cheat sheets based on your focus. Share public link

Note: Be aware of unauthorized websites claiming to offer free PDFs, as these are often illegal and may contain malware. How to Use the Arbeitsbuch for Best Results

When used with apps like GoodNotes or Notability, a PDF allows you to write, erase, and reorganize your notes digitally.

If you absolutely cannot afford the €20, use these free alternatives until you can save up: