If you are interested in Books that go that way look up Jack L. Chalker he wrote man computer based worlds
The Soul Rider seriesSpirits of Flux and Anchor, Tor Books, 1984 (ISBN 0-8125-3320-8)
Empires of Flux and Anchor, Tor Books, 1984 (ISBN 0-8125-3329-1)
Masters of Flux and Anchor, Tor Books, January, 1985 (ISBN 0-8125-3281-3)
The Birth of Flux and Anchor, Tor Books, 1985 (ISBN 0-8125-2292-3)
Children of Flux and Anchor, Tor Books, September, 1986 (ISBN 0-8125-2340-7)
The Saga of the Well World seriesMidnight at the Well of Souls, Del Rey, 1977 (ISBN 0-7434-3522-2)
Exiles at the Well of Souls, Del Rey, 1978 (ISBN 0-7434-3603-2)
Quest for the Well of Souls, Del Rey, 1978 (ISBN 0-7434-7153-9)
The Return of Nathan Brazil, Del Rey, 1980 (ISBN 0-345-28367-8)
Twilight at the Well of Souls, Del Rey, 1980 (ISBN 0-345-28368-6)
The Sea is Full of Stars, December, 1999 (ISBN 0-345-39486-0)
Ghost of the Well of Souls, 2000 (ISBN 0-345-39485-2)
The Wonderland Gambit seriesThe Cybernetic Walrus, Del Rey, trade pb in November, 1995
The March Hare Network, 1996
The Hot-Wired Dodo, Del Rey, Feb. 1997
The Rings of the Master seriesLords of the Middle Dark Del Rey Books, May, 1986 (ISBN 0-345-32560-5)
Pirates of the Thunder, Del Rey Books, March, 1987 (ISBN 0-345-32561-3)
Warriors of the Storm, Del Rey Books, August, 1987 (ISBN 0-345-32562-1)
Masks of the Martyrs, Del Rey, February, 1988 (ISBN 0-345-34309-3)