Don Cerveris is a celebrated screenwriter whose work has left an indelible mark on the film industry, particularly in the realm of horror and drama. His notable screenplay for "The Nun" (2018), part of the popular Conjuring Universe, has become a sought-after item among collectors. The film's chilling narrative and atmospheric visuals have made its physical releases, especially the limited edition Blu-ray, highly coveted on the secondary market. Cerveris's talent also shines in "The Sergeant" (1962), a poignant war drama that has garnered a dedicated following over the years. Its exploration of the complexities of military life resonates deeply with collectors who appreciate classic cinema's nuanced storytelling. The film's original VHS and DVD releases are often sought after, not just for their historical significance but also for the quality of writing that Cerveris brought to the screen. His contributions continue to enrich the collections of enthusiasts who value both film history and the art of screenwriting.