From an interview in 1982 with Paul Kurtz; Isaac Asimov was asked: "Do you take the Bible primarily as a human document or do you think it was divinely inspired?"
To which he responded: "The Bible is a human document. Much of it is great poetry, and much of it consists of the earliest reasonable history that survives. Samuel I and 2 antedate Herodotus by several centuries. A great deal of the Bible may contain successful ethical teachings, but the rest is at best allegory and at worst myth and legend. Frankly, I don't think that anything is divinely inspired. I think everything that human beings possess of intelligent origin is humanly inspired, with no exceptions."
Thanks Doone! Reading an interview with him the interviewer mentioned his book In the Beginning, but I can't find anything on it. Wonder if maybe he used a different name when he actually got to publishing.