By the Time I Get to Nashville(1994)
(The second book in the Diego series)
A novel by Lionel Fenn (Charles L Grant)
Nineteenth-century gunslinger Diego is whisked off to the new Nashville of the twenty-second century, a world in which the Old West has become a religion and Diego becomes a deity, unless he is hanged first.
Used availability for Charles L Grant's By the Time I Get to Nashville
March 1994 : USA Mass Market Paperback