The Man Who Knew Infinity: A Life of the Genius Ramanujan

C. S. Lewis -- A Life: Eccentric Genius, Reluctant Prophet

Three African-American Classics: Up from Slavery, The Souls of Black Folk and Narrative of the Life of Frederick Douglass

Afropessimism

Dusk, Night, Dawn: On Revival and Courage

Good Arguments: How Debate Teaches Us to Listen and Be Heard

Mavericks: Life stories and lessons of history's most extraordinary misfits

Live Wire: Long-Winded Short Stories

Vanished Beyond the Map: The Mystery of Lost Explorer Hubert Darrell