Havelock the Dane: A Legend of Old Grimsby and Lincoln

Historical novel, first published in 1899. According to Wikipedia: "The Reverend Charles Watts Whistler MRCS, LSA, (November 14, 1856 - June 10, 1913) was a writer of historic fiction that plays between 600 and 1100 AD, usually based on early English/Saxon chronicles, Norse or Danish Sagas and archeological discoveries."