A new audio edition of the Agatha Christie thriller, packaged in the stylish new series livery to match the PBs. When a number of leading scientists disappear without trace, concern grows within the international intelligence community. Are they being kidnapped? Blackmailed? Brainwashed?One woman appears to have the key to the mystery. Unfortunatel...more

A new audio edition of the Agatha Christie thriller, packaged in the stylish new series livery to match the PBs. When a number of leading scientists disappear without trace, concern grows within the international intelligence community. Are they being kidnapped? Blackmailed? Brainwashed?One woman appears to have the key to the mystery. Unfortunatel...more

American scientist Thomas Betterton has disappeared form a conference in Paris--only the latest in a series of notable men to vanish into thin air. Equally strange is the death of his new bride in Casablanca. To discover the secret she took to her grave, British Intelligence enlists the aide of an unlikely secret agent--an enigmatic young woman wit...more

A new audio edition of the Agatha Christie thriller, packaged in the stylish new series livery to match the PBs. When a number of leading scientists disappear without trace, concern grows within the international intelligence community. Are they being kidnapped? Blackmailed? Brainwashed?One woman appears to have the key to the mystery. Unfortunatel...more