Tosca Lee is an award-winning, New York Times bestselling author whose recent works include The Line Between, The House of Bathory Duology (The Progeny, Firstborn), Iscariot, The Legend of Sheba, Demon: A Memoir, Havah: The Story of Eve, and the Books of Mortals series with New York Times bestseller Ted Dekker.

In this conversation, we talk about The Line Between and its sequel, A Single Light. We talk about the difference between thriller, mystery and suspense, how Tosca develops characters and some of the themes in this dystopian duology.