“You and your wife plan to come to the Bal Musette Saturday night. It’s quite gay. I’ll draw you a map so you can find it. I stumbled on it quite by chance.” “It’s under 74 rue Cardinal Lemoine,” I said. “I lived on the third floor.” “There’s no number,” Ford said. “But you’ll be able to find it if you can find the Place Contrescarpe.” I took another long drink.