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Peter Day has forty years' experience in journalism, including more than a decade as a senior reporter and newsdesk executive for the Mail on Sunday. Since turning freelance he has specialised in archive research, breaking exclusive stories on politics, royalty, military history and espionage. His previous book, Franco's Friends, was published by Biteback in 2011.

Favourite books:

1. Coomassie and Magdala by Henry Morton Stanley - meticulous detail and acute observation overlaid with a thick layer of 19th Century journalistic hype. Ideal source material for my current project.

2. Voss by Patrick White - still as powerful and evocative as when I first read it 40 years ago.

3. Oxford Dictionary of National Biography - the most comprehensive history of Britain told through the lives of the people who created it.

Books

Trotsky's Favourite Spy
The Bedbug
Klop
Franco's Friends