"The Winter King" is a historical novel by Bernard Cornwell, part of the Warlord Chronicles series. Set in post-Roman Britain, it reimagines the legend of King Arthur through the eyes of Derfel Cadarn, a warrior and loyal follower of Arthur. The story explores themes of loyalty, power, and the struggle for unity in a fractured land. The narrative delves into the complexities of Arthur's character, portraying him as a flawed leader facing both external threats and internal conflicts. The novel combines historical events with mythological elements, creating a rich tapestry of adventure and intrigue in a tumultuous era.