Is Une si longue lettre based on a book?

Common questions

Is Une si longue lettre based on a book?

Yes. Une si longue lettre is based on the book So Long a Letter by Mariama Bâ (1980).

Who wrote the book Une si longue lettre is based on?

So Long a Letter was written by Mariama Bâ and first published in 1980.

Should I read the book before watching?

If you like knowing the full story and characters first, read So Long a Letter before you watch. Adaptations often change or cut plotlines, so the book is a different experience even if you've seen the movie.