Chris Peers is a leading expert on the history of ancient armies and warfare and has written widely on the subject. He has contributed many articles to military history, wargaming and family history magazines, and his major publications include Warlords of China: 700BC-AD1662, Warrior Peoples of East Africa, Soldiers of the Dragon, The African Wars: Warriors and Soldiers of the Colonial Campaigns, Battles of Ancient China, Genghis Khan and the Mongol War Machine and King Stephen and the Anarchy: Civil War and Military Tactics in Twelfth-Century Britain.