Murder Knocks Twice by Susanna Calkins
Chicagoan Gina Ricci takes care of her father, an ailing widower. Money is very tight. Palsy makes it hard for her father to repair broken appliances, a task that increasingly falls to Gina. Her schoolfriend Louise Smith, now bobbed-hair Lulu, tells her about a possible opening for a cigarette girl at The Third Door speakeasy….