Justin D. Hill is an author known for writing military science fiction and fantasy novels. He has contributed to the expansive Warhammer universe, writing within both the Warhammer 40,000 and Warhammer Age of Sigmar settings. His work in this area includes titles such as "Cadia Stands," "Cadian Honour," and "Storm of Damocles," which belong to the Cadian series featuring stories about the Imperial Guard regiments of the Warhammer 40,000 universe. Outside of Warhammer, Hill has published historical fiction and has been recognized for his work with awards and nominations. He is praised for his detailed battle scenes, in-depth character development, and fast-paced narratives within his genre specialties.