“Writing is no longer an act of free will for me, it’s a matter of survival,” says PAUL AUSTER. Known primarily for his postmodern series of experimental detective stories, The New York Trilogy, Auster gear-switches to the fable in his latest novel, Travels in the Scriptorium. Trapped in a spare room, protagonist Mr. Blank doesn’t know who he is or who his captors are. Or, it figures, what he’s done to warrant punishment. Get meta about Auster at the Brattle Theatre, 40 Brattle St, Cambridge | 6 pm | $3 | 800.542.READ.