The Umbrella Murder: Observer Book of the Week and Shortlisted for Fingerprint Crime Awards

Brought to you by Penguin.

London, September 1978: exiled Bulgarian dissident Georgi Markov is murdered in broad daylight on Waterloo Bridge with what appears to be a poison-tipped umbrella. It would become the most infamous unsolved killing of the Cold War.

Many years later, young journalist Ulrik Skotte is approached with explosive new information about a man alleged to be responsible for Markov's death - a spy code-named Piccadilly who worked for the Bulgarian secret service. This meeting ...