Which English writer wrote a non-fictional book about an operation in which 21,000 British troops were deployed?
Ken Wharton (writer): Ken Wharton (born 21 June 1950) is an English writer and former British soldier who has written a series of non-fictional books on the conflict in Northern Ireland known as the Troubles. Ken Wharton (writer):  The books are based on first-hand accounts by soldiers of all ranks who served in the Operation Banner campaign as well as Wharton's own personal experiences from his two tours of Northern Ireland. Operation Banner:  At the peak of the operation in the 1970s, about 21,000 British troops were deployed, most of them from Britain.
Ken Wharton