 It is one in a sequence of six books dealing with the Oregon Trail and the development of Montana from 1830, the time of the mountain men, to "the cattle empire of the 1880s to the near present".Of the series, "Fair Land, Fair Land" is third is story chronology, but was the last to be published.The sequence began with "The Big Sky", followed by "The Way West" (which won the Pulitzer Prize for fiction in 1950), "These Thousand Hills", "Arfive" (1971), "The Last Valley" (1975), and "Fair Land, Fair Land".