Collects 367 letters written between 1881 and 1919 in a volume that features his correspondences with such individuals as Rudyard Kipling, Upton Sinclair, and FDR and the texts of four key speeches including "The Strenuous Life" of 1899, "The Big Stick" of 1901, "The Man in the Arena" and "The New Nationalism" of 1910.