History of Mar Yahballaha and Rabban Sauma

This book tells a story of serendipity. Two Christian monks left China about 1274, headed to Jerusalem. Travelling on an itinerary similar to that Marco Polo had taken, they reached Iran, ruled by a Mongol dynasty, the Ilkhans. There, what they never had expected happened: one of them, Mark by name, was elected Patriarch of the Church of the East (with the name Yahballaha), while the other, Rabban...