Terry Deary presents the foul but fascinating story of humans, from brain-nibbling Neanderthals to terrified teenage soldiers in the twentieth century - all in glorious and goriest colour and now in flexi-bound paperback format. The truth about foul fighting is revealed in the Horrible Histories Rules of War, and readers can meet fifty of the most Vicious Villains of all time in the frightful fold-out feature. History has never been so horrible!