FERGUS M. BORDEWICH CAME TO many of his conclusions about the future of Native Americans and reservation policy while completing Killing the White Man’s Indian , published earlier this year by Doubleday, 352 pages, $27.00, CODE: DOU-4 ).

Before he wrote about Thomas Jefferson’s vacation, Willard Sterne Randall tackled all of the third President’s days in Thomas Jefferson , a biography now in softcover (HarperCollins, 736 pages, $17.00, CODE: HPC-4 ).

U. S. A. , by John Dos Passos, has just been reissued in one of the Library of America’s unfailingly handsome editions (1,288 pages, $40.00, CODE: LOA-11 ).