These new books look at the family dynamics of famous (or infamous) brothers.
Bloodlines: The True Story of a Drug Cartel, the FBI, and the Battle for a Horse-Racing Dynasty (Ecco) by Melissa del Bosque is the amazing story of how undercover FBI agents pursued the Treviño brothers, the feared leaders of Los Zetas, a brutal and successful drug cartel.
The Kelloggs: The Battling Brothers of Battle Creek (Pantheon) by Howard Markel looks at how John Harvey Kellogg and his brother Will reshaped medicine, nutrition and the food industry — and invented breakfast cereal.
Warner Bros: The Making of an American Movie Studio (Yale University Press) by David Thomson, film critic and historian, recounts how Jewish immigrant brothers Harry, Albert, Sam and Jack Warner helped create the American movie industry.
Colette Bancroft, Times book editor