Peter Fehervari is the author of the Warhammer 40,000 novels Requiem Infernal, Cult of the Spiral Dawn and Fire Caste, as well as the novella Fire and Ice from the Shas'o anthology. He has also written many short stories for Black Library, including the T'au-themed 'Out Caste' and 'A Sanctuary of Wyrms', the latter of which appeared in the anthology Deathwatch: Xenos Hunters. He also wrote 'Nightfall', which was in the Heroes of the Space Marines anthology, and 'The Crown of Thorns'. He lives and works in London.