In James McBride's new novel – the titular shop at its heart – The Heaven and Earth Grocery Store – can be found in a neighborhood in Pottstown,Pennsylvania, where working-class Jewish immigrants and African-Americans live side by side, forming a community of protection and respect for one another. In today's episode, McBride speaks with NPR's Scott Detrow about the murder mystery that unfolds in the novel, the inspiration he took from his own grandmother, and the allure of writing about Pennsylvania.