Len Deighton, Author of Espionage Best-Sellers, Dies at 97 By Marketers TalksMarch 17, 2026Art His Cold War thrillers “The Ipcress File” and “Funeral in Berlin” brought a documentary-style realism to the spy genre. His Cold War thrillers “The Ipcress File” and “Funeral in Berlin” brought a documentary-style realism to the spy genre.