Cargill wrote for Ain't it Cool News for nearly 10 years under the pseudonym Massawyrm, as well as serving as a staff writer for Film.com and Hollywood.com. He appears as the animated character Carlyle on spill.com, where he also hosts a featured podcast. His first screenplay, the critically acclaimed SINISTER, was co-written and directed by Scott Derrickson and starred Ethan Hawke. He co-wrote the screenplay for Marvel's DOCTOR STRANGE.
SEA OF RUST is a 40-megaton cruise missile of a novel - it'll blow you away and lay waste to your heart. It is the most visceral, relentless, breathtaking work of SF in any medium since Mad Max: Fury Road - Joe Hill, Sunday Times bestselling authorLike an AI-centred, desert-bound twist on Children of Men, this is a sensitive and smart novel that surprises you with its depth of feeling. - SciFiNowSea of Rust is modern, smart fiction that belies it's majesty with a light touch. One of the science fiction books you should read this year. - SF BookAn action-packed post-apocalyptic thriller . . . [that] also addresses issues of soul and sentience in a subtle yet profound way - Financial Times (Best Books of 2017)A soulful and stunningly accomplished work of science fiction . . . A stone-cold stunner of a story that deals with death and darkness yet is leavened with light and life - Tor.com