The_Paladin_(Garfield_novel)
The Paladin is a 1979 historical novel by Brian Garfield. Supposedly based on a true story, it is about a young boy "Christopher Creighton" who befriends Winston Churchill in the mid 1930s and then goes on to take an active role in a number of World War II operations including: informing Churchill in advance of the surrender of Belgium leading to the Dunkirk evacuation, stopping the Americans from being warned of the Attack on Pearl Harbor by sinking a submarine, and misleading the Germans about the Normandy invasion.