The daughter of one of Simon's friends is kidnapped in order to lure Simon into a trap.

Two women decide that the best way to end their marital problems is to have Simon kill their husbands.

A man seeking revenge threatens to blow up London unless a sculptress is publicly executed.

Simon comes to the aid of a woman trying to rescue her brother from drug smugglers.

Simon's investigation of a power boat accident which killed two wealthy men, leaving one's wife a penniless widow, leads him to the stash from an old gold robbery.

No one will believe a former mental patient who claims to have seen a murder through the window while a passenger on a train.

A woman asks Simon for help in proving that her father was murdered by his business partner when he found out the man was cheating him.

Simon's investigation of a power boat accident which killed two wealthy men, leaving one's wife a penniless widow, leads him to the stash from an old gold robbery.

Simon discovers that a company that commits assassinations for money is behind the attempt on a despised oil sheik's life.

Simon helps a woman rescue her brother who is being held by drug smugglers.

A murder investigation brings Simon to a remote Italian village, which is ruled by a psychotic aristocrat.

Simon accidentally becomes involved in a British intelligence operation, after he spots a man believed to be dead.

Simon infiltrates a drug ring that is being run by a mysterious man known only as `The Gent'.

Simon sets out to avenge the death of a friend who was killed by terrorists in Florence.

Simon comes to the aid of a successful pop singer whose record producer is driving her too hard.

Simon suspects murder when a retired race car driver is killed in an auto accident.

Simon decides to rescue a British agent, whom he was once romantically involved with, who has been kidnapped and is being held by terrorists in the Alps.

Simon aids an Italian woman who has had a vision of her husband's death.

Simon sets out to stop a scientist from selling out to a foreign power, after two young women ask for Simon's help in getting him to defect.

Simon is reluctant to help a tyrannical African president whose son has been kidnapped- while visiting in London.

Simon joins forces with an Israeli agent in order to track down and capture an Arab terrorist who is on the loose in London.

While on holiday in the Italian Alps, Simon's ski instructor asks Simon for help in finding her brother's murderer.

Simon suspects that a helicopter accident which killed a millionaire's son was no accident and sets out to prove it.

After saving the life of a young girl, Simon finds himself pitted against the secret police of a Southeast Asian country.