Novels
A Top-Secret Affair (1986)
Countdown (1987)
More Than a Hunch (1987)
School for Spies (1991)
Abandoned (1993)
Liar's Game (1993)
Moon Watch (1994)
Countdown (1987)
More Than a Hunch (1987)
School for Spies (1991)
Abandoned (1993)
Liar's Game (1993)
Moon Watch (1994)
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