In the summer of 1927, Langston Hughes and Zora Neale Hurston drove together from Alabama to New York. Just outside Savannah, Ga., they gave a ride to a young person running away from a chain gang. An essay Hughes wrote about that encounter has recently resurfaced: Read it here. Jack Delano/Library of Congress hide caption
Leah Esguerra (right), who is credited with being the first social worker installed directly at a public library, strolls through the fifth floor of the San Francisco Public Library's main branch, joined by the library's health and safety associates (from left to right) Sidney Grindstaff, Jennifer Keys and Cary Latham. Jason Doiy/Courtesy of the San Francisco Public Library hide caption
Escalante's Dream, by David Roberts W.W.Norton & Co. hide caption
Angela Saini, author of Superior: The Return of Race Science. Henrietta Garden hide caption
