• Doctor Frigo
• The Intercom Conspiracy
• Epitaph for a Spy
• The Ability to Kill
• Siege at the Villa Lipp
• Judgment on Deltchev
• State of Siege
• Topkapi
• Waiting for Orders
• Cause for Alarm
• Passage of Arms
• Background to Danger
• The Light of Day
• The Care of Time
• The Dark Frontier
• The Levanter
• The Schirmer Inheritance
• Journey Into Fear