Start with high-confidence french plays books, then narrow by subgenre or adjacent topics.
Jacques and His Master
Milan Kundera
The Cid, Cinna, the Theatrical Illusion
Pierre Corneille
Don Juan, by Molière
Molière
The Theatre of Illusion
Richard Wilbur
Le Cid and the Liar
The Misanthrope and Tartuffe, by Molière
The School for Wives and the Learned Ladies, by Molière
Tartuffe, by Molière
Five Plays
Jean Anouilh
Phedre
Jean Racine
Caligula and Three Other Plays
Albert Camus
No Exit and Three Other Plays
Jean-Paul Sartre
Mahomet
Voltaire