A successful travel writer and popular historian, John combines historical narrative with personal experience. He specialises in Mongolia and China. Genghis Khan has been a best-seller with Bantam and sold in 21 languages. Bantam also published several other titles, including Attila the Hun, Kublai Khan, The Great Wall and The Terracotta Army. The Mongol Empire (2014) updates his previous work in a single volume. Xanadu, published in the US as Marco Polo, is linked with a major Netflix TV series. Saladin (2015) is a portrait of the Arab world’s greatest leader.