Zero Sum brings to life the complex, vivid color of one of the greatest experiments in the history of global commerce. What have businesses learnt—or failed to learn—from this adventure, both about Russia and about dynamics between countries and companies in the face of relentless change?

The men who flew American heavy bombers over Europe in World War II were very young—most were either in their late teens or early twenties. There they faced a gauntlet of razor sharp antiaircraft artillery bursts and fighter aircraft firing cannons that shattered Plexiglas, metal, engines, and bone. It is no wonder that bomber crews suffered some of the highest casualty rates of any service during the war. Yet, their courage and sacrifice would help the Allies secure an overwhelming victory. That bravery and the extreme dangers these young men faced are vividly portrayed in The Cruel Sky.

Alexander the Great and Cleopatra may be two of the most famous figures from the ancient world, but the Egyptian era bookended by their lives—the Ptolemaic period (305-30 BC)—is little known. In The Last Dynasty, Toby Wilkinson unravels the incredible story of this turbulent era.

Striking where the enemy is weakest and melting away into the darkness before he can react. Never confronting a stronger force directly, but using audacity and surprise to confound and demoralize an opponent. Operations driven by good intelligence, area knowledge, mobility, speed, firepower, and detailed planning, and executed by a few specialists with indigenous warriors—this is unconventional warfare.

Caught on the wrong side of an English civil war and condemned by his father to the gallows at age five, William Marshal defied all odds to become one of England’s most celebrated knights. Thomas Asbridge’s rousing narrative chronicles William’s rise, using his life as a prism to view the origins, experiences, and influence of the knight in British history.