No. Here is why:
In many Spanish-speaking countries, BlinkLearning is the official distributor. Because the book is new, publishers have cracked
The "Plus" version (published by Difusión) was released recently. Unlike the old green Aula 4, this new edition includes: Because the book is new
Because the book is new, publishers have cracked down on piracy. The PDFs you see on Telegram or random WordPress blogs are usually: this new edition includes: