Operation Crossbow ― The Untold Story of the Search for Hitler's Secret Weapons

Tells the story of the photographic intelligence work undertaken from a country house at Medmenham. This book presents the story of human endeavour and derring-do.

Allan Williams is the curator of the National Collection of Aerial Photography (NCAP), which holds more than 10 million aerial photographs in Medmenham that record many key moments of World War II history. A leading authority on the history of aerial photography, Allan undertook much of the research for the landmark BBC documentary Operation Crossbow.