Spies and Counterspies in 1920s London. Don't miss this omnibus edition of three complete classics of espionage by Valentine Williams, the bestselling spy novelist of his generation. First, Francis Okewood of his Majesty's Secret Service matches wits with Europe's greatest spy, the sinister Man with the Club Foot; then Berlin sends their top operative to London to carry out a sinister plan; finally, a cowardly murder has international consequences in The Yellow Streak. Join the millions of readers who have thrilled to the shockers of Valentine Williams.