In doing the research, I found myself consumed by a single, overwhelming question, as relevant today as it was seventy years ago: When would I, as a wife and mother, risk my life - and more importantly, my child's life - to save a stranger? That question is at the very heart of The Nightingale. I hope that everyone who reads the novel will ask themselves the question.

Andrée De Jongh story led me to other stories of women who joined the Resistance in France. I found literally dozens of memoirs written by women who had become spies and couriers and helped to create the escape network. These women were like action-star heroes.

In doing the research, I found myself consumed by a single, overwhelming question, as relevant today as it was seventy years ago: When would I, as a wife and mother, risk my life - and more importantly, my child's life - to save a stranger? That question is at the very heart of The Nightingale. I hope that everyone who reads the novel will ask themselves the question.

Historical tends to be my bailiwick.

I know I'm not normal in this, but [ Severus ] Snape is absolutely my favorite character in the Harry Potter books. He is completely mortal - good, bad, strong, weak, motivated by hatred, motivated by love. A gorgeous, compelling, complex character who definitely earns a spot at my table.

The woman who led [downed airmen] was named Andrée De Jongh and her story - one of heroism and peril and astounding courage - became the inspiration for my novel.

Impatient men are generous ones. Or haven't you learned that by now?