Guernsey is the largest and principal island in the Bailiwick of Guernsey, a group of islands which includes also Alderney, Sark, Herm and many smaller islands, located off the north coast of France. Guernsey is a dependency of the British Crown. Financial services account for over half of the economy, and farming, horticulture and tourism are also important. The famous Guernsey breed of dairy cattle was first recorded in about 1700. Victor Hugo wrote Misérables while in exile in Guernsey.