Cassern Sebastian Goto (born 1970) is an author primarily notable for his novels and short stories set in the Warhammer 40,000 universe. He got his start with several short stories published in Inferno! magazine and his first novel, a novelation of Dawn of War, appeared in 2004. His work for the Black Library includes the Warhammer 40,000 Dawn of War novels, the Deathwatch series and the Necromunda novel Salvation. Born in Ireland, he now lives on the Pacific coast of California.
