Doctor Who - Bunker Soldiers

A First Doctor, Steven and Dodo novel A fireball erupts in the forests of the Ukraine, and when the locals investigate, they find what appears to be a metal coffin at the centre of the devastation. They superstitiously conclude that the casket contains the body of an angel, sent to Earth to give hope to the people. Centuries later, the Doctor and his companions find themselves trapped in Kiev, 1240 a city under attack by the Mongols. They are enforced guests of the governor, Dmitri, whose a...