Books
- Above Suspicion.
- Agent in Place.
- Assignment in Brittany.
- Cloak of Darkness.
- Decision at Delphi.
- The Double Image.
- Friends and Lovers.
- The Hidden Target.
- Horizon.
- I and My True Love.
- Message from Malaga.
- Neither Five nor Three.
- North from Rome.
- Pray for a Brave Heart.
- Prelude to Terror.
- Rest and be Thankful.
- Ride a Pale Horse.
- The Salzburg Connection.
- The Snare of the Hunter.
- TheUnconquerable.
- The Venetian Affair.