Vols. for 1871-76, 1913-14 include an extra number, The Christmas bookseller, separately paged and not included in the consecutive numbering of the regular series.

"The Spiritual Lives series features biographies of prominent men and women whose eminence is not primarily based on a specifically religious contribution. Each volume provides a general account of the figure's life and thought, while giving special attention to his or her religious contexts, convictions, doubts, objections, ideas, and actions. Many leading politicians, writers, musicians, philosophers, and scientists have engaged deeply with religion in significant and resonant ways that have often been overlooked or underexplored. Some of the volumes will even focus on men and women who were lifelong unbelievers, attending to how they navigated and resisted religious questions, assumptions, and settings. The books in this series will therefore recast important figures in fresh and thought-provoking ways"--