You can purchase the Superpack (Book + Audio) for a complete experience.
Assimil offers official digital formats (e-method) through their app. assimil+perfectionnement+anglais+pdf+free
The Assimil method is designed for short, daily sessions. Trying to cram 5 lessons on a Sunday will yield far worse results than doing just 15 to 20 minutes every single day. Aim to do one lesson a day. 2. Never Skip the Audio You can purchase the Superpack (Book + Audio)