Charles I, often known as Charlemagne, is one of the most extraordinary figures ever to rule an empire. Driven by unremitting physical energy and intellectual c

Haile Selassie I, the last emperor of Ethiopia, was as brilliant as he was formidable. An early proponent of African unity and independence who claimed to be a

In this rich and exciting alternate history, a Science Fiction Hall of Famer “evokes the spirit and atmosphere of the so-called Dark Ages” (Publishers Weekl

The Czech king and Roman Emperor Charles IV met with the French king Charles V in Paris in 1378. The author describes with intelectual brilliance and narrative

"Originally published in 2016 in Great Britain by Hodder and Stoughton."