The maple leaves were already falling in our backyard habitat when I decided it was time to read another big biography. This one is W.E.B. Du Bois: Biography of a Race 1868—1919 by David Levering Lewis. It won the Pulitzer Prize for Biography in 1994. And actually this volume is only Part 1 of this bio; Part 2 (another chubby tome) also won the Pulitzer Prize…