The critically acclaimed Anna Smith Spark, the Queen of Grimdark, a PhD in English Literature and multi-nominee of various awards (including Gemmell Award and the British Fantasy Award), talks about her role in shaping the Grimdark subgenre and her thoughts on religion in fantasy fiction. You can preorder the book from:
Flame Tree Publishing: https://www.flametreepublishing.com/a-sword-of-gold-and-ruin-isbn-9781787589704.html
Waterstones: https://www.waterstones.com/book/a-sword-of-gold-and-ruin-special-edition/anna-smith-spark/9781787589698