Harvard Book Store welcomes Megan Marshall—award-winning biographer and Charles Wesley Emerson College Professor—for a discussion of Robert D. Richardson’s new book Three Roads Back: How Emerson, Thoreau, and William James Responded to the Greatest Losses of Their Lives. She will be joined on stage by John Kaag—author and Donohue Professor of Ethics and the Arts at UMass Lowell—for a discussion of his new book Be Not Afraid of Life: In the Words of William James.