For many years, in the public eye and in her own self-perception, Beth Rodden didn’t exist: There was only “BethandTommy.” Shortly after meeting, in 1995, Beth Rodden and Tommy Caldwell became attached at the hip, in every personal and professional sense. Now, in her new memoir, A Light Through the Cracks: A Climber’s Story, Rodden gives us an intimate look into her complex process of disentanglement and self-actualization. She tells her narrative on her own terms, as “just Beth,” sharing glimpses...