Because my novel Searching for Nora is a sequel to Henrik Ibsen’s play A Doll’s House, many people have asked me if they should read the play before they read my book. It’s a good question, and I always tell them “it depends.” It depends on whether they have seen the play or read it in the past. It depends on what they remember. It depends on how much time they have, and how much patience. In truth, readers don’t need to read A Doll’s House before reading Searching for Nora because I wove the play’s important plot points into…