Is using an Assimil PDF legal and ethical?

— Yes, that's it. The croissant is for me and the toast for her.

"Assimil Français" is a renowned language learning method that has been helping learners acquire French language skills for decades. While I couldn't find a direct PDF link, I can offer you some valuable insights and resources that might interest you:

: A Spanish-base version of the "French Without Toil" series in PDF format. Key Method Features