This week on The Reading Life: Susan talks with Kalamu ya Salaam, whose new book of collected writings from his long career is “Be About Beauty.” We’ll also hear from Tena Clark, songwriter and music producer and author of the new memoir, “Southern Discomfort.” Here’s what’s on tap in the literary life this week: Shane Bauer discusses and signs “American Prison: A Reporter’s Undercover Journey into the Business of Punishment," Monday, Sept. 24, at 6 p.m. at Octavia Books. The Friends of the