Assimil Perfectionnement Anglais is a language course designed for intermediate to advanced learners of English. The course aims to help learners refine their language skills, develop a more nuanced understanding of English grammar and vocabulary, and improve their pronunciation.
The free PDF you find might be from 1995. The current edition (2020/2023) includes modern English (emojis, social media, post-Brexit vocabulary). Old editions use phrases like "fax machine" and "video cassette." assimil+perfectionnement+anglais+pdf+free