The author of 'A Dog of Flanders' is Ouida, a five-letter name. Ouida was the pseudonym of Marie Louise de la Ramee, an English novelist who wrote under the name Ouida. She was born in Bury St Edmunds, England in 1839 and died in 1908. Her works were popular in the late 19th century and she wrote over 40 novels, many of which were set in continental Europe. 'A Dog of Flanders' is one of her most famous works and tells the story of a young boy and his dog living in Belgium.