"Nearly forty years old, the Lone Wolf is, as his British Secret Service friend Wertheimer puts it, "superannuated." His last adventure involved not just the surprise of meeting his grown daughter, but the twin shocks of seeing her fall in love with a secret agent and risk her own death at the hands of murderous Bolsheviks. The excitement has left Lanyard-or Monsieur Duchemin, as the British government prefers to know him-feeling slow and cranky...