Martha Gellhorn (1908–1998) was a war correspondent for nearly fifty years. From the Spanish Civil War in 1937 through the wars in Central America in the mid-eighties, her candid reports reflected her feelings for people no matter what their political ideologies, and the openness and vulnerability of her conscience. "I wrote very fast, as I had to," she says, "afraid that I would forget the exact sound, smell, words, gestures, which were special...

"In this deep and incisive study, General David Petraeus, who commanded the US-led coalitions in both Iraq, during the Surge, and Afghanistan and former CIA director, and the prize-winning historian Andrew Roberts, explore over 70 years of conflict, drawing significant lessons and insights from their fresh analysis of the past. Drawing on their different perspectives and areas of expertise, Petraeus and Roberts show how often critical mistakes have...