Don Quixote is the fascination of a professor with vital plans and an errant mind.

In a tour of Venice, the old orthodontist gives Robinson a guide with a watch, a special watch, the kind that bugs spies.

Smuggler plans citywide blackout.

Mata Hari vs. file clerk.

The phonybaloney defector is a real target when the game turns serious.

A Grecian mail order bride may be a Trojan horse.

A most prickly diversion. Scott has fallen in love with a radical expatriate, Robinson disapproves, Scott resigns. Her cell leader welcomes discord; she is murdered, Robinson is blamed.

Torture pure and simple has Robinson down in the dumps, with his career in jeopardy.

One of their own has joined the adverse party, so Scott & Robinson are sent to Hong Kong after him.

Missing microfilm must be paid for or Scott will be killed, but where to get the shekels?

They bet each other a dollar that one can evade the other for a week, but he's been contaminated with anthrax and must be found in 24 hours.

Six demolitions experts down, one to go, and his sister the only lead.

A very delicate dilemma, an atom bomb lost in a plane crash near an Italian village.

A murder happens in front of them, and Robinson & Scott must investigate a mysterious organization.

A prisoner exchange requires a search for a double agent.

A Zulu (Oxon.) who trades diamonds for revenge, a gangster dominating a small village, and radioactive isotopes.

Who is kidnapping the great agronomists in Mexico City?

Blackmail and murder at the U.S. Embassy.

The trouble with Temple is her boyfriend is evil.

A bodyguard assignment for a very unpleasant sort of fellow.

A family court settles an old Italian grudge.

Young agent is bait in trap set for KGB, but his father is not in on the setup.

Little girl gifted with memory holds the Nazi past in her keeping.

Vietnam has not seen three agents assigned there, and Scott suspects Robinson's girlfriend.

Russian defector for American girl: good business or not?