SEVEN PLAYS (587 pp.) — Bertolt Brecht—Grove ($8.50). Most major playwrights leave an unmistakable identifying mark on their work. It may be smaller than theme or plot or character; often it is apt to ...

“Brecht on Brecht,” at the Theatre de Lys, is an anthology of fragments from the letters, memoirs, and essays of Bertolt Brecht, of songs for which he wrote the words, and of scenes from his plays.