Sarah Lyall discusses a new thriller in which a scuba diver gets swallowed by a sperm whale and Joumana Khatib gives recommendations for five August titles.Books discussed on this week's episode: “Anansi’s Gold: The Man Who Looted the West, Outfoxed Washington, and Swindled the World,” by Yepoka Yeebo“The Bee Sting,” by Paul Murray“The Visionaries: Arendt, Beauvoir, Rand, Weil, and the Power of Philosophy in Dark Times,” by Wolfram Eilenberger“Pet,” by Catherine Chidgey“Happiness Falls,” by Angie Kim“Whalefall,” by Daniel Kraus