You can find many PDF resources online that discuss these topics in more depth. Some recommended sources include:

In the shadowy corners of language-learning forums—from Reddit’s r/languagelearning to Telegram groups dedicated to polyglot hacks—one whispered query appears with cult-like regularity: “Does anyone have the Assimil Perfectionnement Anglais PDF full version?”

Focuses on modern, lively dialogues that explore professional and social contexts.

: Combines the book with 4 audio CDs and MP3 downloads (approx. 3.5 hours of audio).

A 30-50 page summary of all advanced grammatical points, conjugated verb tables (for irregular English verbs), and preposition checklists.