One Canada The Memoirs of the Right Honourable John G Diffenbaker, The Years of Achievement, 1956 to 1962, published in 1976 by MacMillan Canada. One Canada The Memoirs of the Right Honourable John G Diffenbaker, The Crusading Years 1895 to 1956, published in 1975 by MacMillan Canada. Hardcover edition with illustrations. Diffenbaker was one of the few prairie prime ministers elected into the office and was from Saskatchewan. Each book measures 6.25" x 9.25" x 1.25". Binding tight, clean, dust jacket has some tears, but overall in good condition.