Career
Ash was best known for his bibliographies and reference books In the 1970s he wrote several works on science fiction, including Faces of the Future, Who"s Who in Science Fiction, and Who"s Who in H.G Wells. He also was the editor of The Visual Encyclopedia of Science Fiction (1977: United Kingdom, Pan Books.
United States, Harmony/Crown Books, ), which contained chapter introductions from science fiction authors.
The latter title was, in 1978, listed as one of the American Library Association Best Books for Young Adults. In the field of advertising, Ash published Tiger in your Tank: the Anatomy of an Advertising Campaign, a light-hearted study of the worldwide Standard Oil (SO = Esso) "Tiger in your Tank" campaign.
