Hiroshi Yamamoto began his career with game developers group SNE in 1987 and debuted as a writer and game designer. His first hardcover science fiction release, God Never Keeps Silent, became a sensation among sci-fi fans and was nominated for the Japan SF Award. Other novels include Day of Judgement and The Unseen Sorrow of Winter. Aside from his work as a writer, Yamamoto is also active in various literary capacities as editor of classic science fiction anthologies and as president of To-Gakkai, a group of tongue-in-cheek "experts" on the occult.