Raymond Queneau's "Exercises in Style" are a spectacular demonstration of literary juggling, a practical handbook of creative writing but also the secret product of a reflection on speech, its freedom and availability and (how else to say it?) its exercise. Stefano Bartezzaghi, an Italian journalist, writer and semiologist who has been a contributor to La Repubblica for more than two decades, on which he has been signing a crossword puzzle a day since April 2019, rereads the French writer's collection of short stories.