Ken and Pat Kraft are a husband-and-wife writing team from Carmel, California. They ran across Black Bart in old California newspaper files while living in Santa Rosa, doing research for their seventh book, a biography of Luther Burbank to be published soon by Appleton-Century.
 For further reading:  Wild Oats in Eden , by Harvey J. Hansen and Jeanne Thurlow Miller (Hooper, Santa Rosa, 1962);   Wells Fargo , by Edward Hungerford (Random House, 1949);   Bad Company , by Joseph Henry Jackson (Harcourt, Brace, 1949).