Ace of Spies reveals for the first time the true story of Sidney Reilly, the real-life inspiration behind fictional hero James Bond. Andrew Cook's startling biography cuts through the myths to tell the full story of the greatest spy the world has ever know. Sidney Reilly influenced world history through acts of extraordinary courage and sheer audacity. He was a master spy, a brilliant con man, a charmer, a cad and a lovable rogue who lived on his wits and thrived on danger, using women shamelessly and killing where necessary - and unnecessary. Sidney Reilly is one of the most fascinating spies of the twentieth century, yet he remains one of the most enigmatic - until now.