Winter 1943, and US General Carnaby has been captured by the Nazis. He is being held in a fortress high in the Bavarian Alps. headquarters of the German Secret Service, and in his head are plans for the invasion of Normandy.
A special team of British commandos, a US Army ranger and a female secret agent is hurriedly assembled. Their mission: parachute into the area, break in to the alpine Castle, and rescue General Carnaby before the Germans can interrogate him.
But unknown to all, there is another mission, and someone in the group is a traitor...
Alistair MacLean, the son of a Scots minister, was brought up in the Scottish Highlands. In 1941 he joined the Royal Navy. After the war he read English at Glasgow University and became a schoolmaster. The two and a half years he spent aboard a wartime cruiser were to give him the background for HMS Ulysses, his remarkably successful first novel, published in 1955. He is now recognized as one of the outstanding popular writers of the 20th century, the author of 29 worldwide bestsellers, many of which have been filmed. He died in 1987.