The physical book (or official eBook) often comes with a CD or access to web-based audio, which is crucial for the A1.1 level where listening is as important as reading.
Be aware that the Corrigés (answer booklet) is usually sold separately. If you find a PDF online, make sure it includes the answers so you can check your progress.
Many students search for the of Grammaire Progressive du Français A1.1 to save money or use on a tablet. While digital copies are convenient for quick reference, there are a few things to consider: