What does it mean to be a grandmother today? Even though women are having their children later, their own mothers are living longer, and are more likely to be around to have a meaningful relationship with their grandchildren. That’s the territory explored by the distinguished novelist Margaret Forster in her latest book, “Isa and May". In the story a young woman has to negotiate between her two grandmothers in the face of their secrets and squabbles that begin to have an impact on her own life. Jenni meets Margaret Forster at her home to talk about what it means to her to be a grandmother and about the books that have meant most to her in her writing career. Isa & May, Published by Chatto & Windus, ISBN 9780701184667.