Environmental and climate activist Catherine Coleman Flowers discusses Holy Ground: On Activism, Environmental Justice, and Finding Hope (Spiegel & Grau, Jan. 28), and essay collection Kirkus calls “a passionate and thoughtful exploration of social injustice” (starred review). And in a sponsored interview, Megan speaks with Cheryl Willis Hudson and London Ladd, the author and the illustrator of When I Hear Spirituals (Holiday House, Jan. 5), “an exuberant and picturesque celebration of African American spirituals” (starred review). Then our editors share their top picks in books for the week.