The Last Kingdom (The Saxon Stories, #1)

The Last Kingdom is the first historical novel in The Saxon Stories by Bernard Cornwell, published in 2004. This story introduces Uhtred of Bebbanburg, a Saxon noble who is kidnapped by Danish Vikings as a young child and is assimilated into their culture, religion and language before a series of events lead him into the service of King Alfred of Wessex and his participation in multiple battles, including the notable Battle of Cynwit before the book's conclusion.