Curtain of Fear is a 1953 thriller novel by the British writer Dennis Wheatley.Reilly p.1469

During the early stages of the Cold War, a Czech-born British professor attempts to make his escape from Communist Czechoslovakia across the Iron Curtain into the West.Williams & Sheeha p.7

References

Bibliography Reilly, John M. Twentieth Century Crime & Mystery Writers. Springer, 2015. Williams, Emma & Sheeha, Iman. Deception: An Interdisciplinary Exploration. BRILL, 2019.