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.

Now, to replace the faux Leonardo in the museum with the real one in our hands.

Squiring a Leonardo to Florence.

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

A literary masterpiece is out of the Soviet Union, will our boys kindly retrieve it?

Scott's foster daughter in Rome is about to be married, and he's in a great deal of trouble.

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

A prisoner exchange requires a search for a double agent.

Robinson takes a powder and calls it quits in the Greek archipelago.

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

A businessman in Hong Kong owes the IRS; Robinson & Scott carry the loot.

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

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

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

A French spy hampers the search for missing files.

What is this ring of spies set up in Africa? Melanie knows, or thinks she knows, or anyway means to find out, why not?

Protecting the retired agent and family against the deranged and vengeful gotten loose on the streets.

Pursued all the way down on the farm, Robinson & Scott fend off attackers.

San Francisco, the Empress of China, fireworks, the Reds.

A holy leader of men dies apparently on the eve of religious fighting in Morocco.

To Marrakesh with an old man's cash and his daughter and some bandits after the old man.

USO tour interrupted by adverse machinations toward angry comedian.

A defector in old Hong Kong claims the attention of Robinson & Scott.

Assassinating a double agent on the beach in the Aegean just doesn't sound like fun.

The baby has now a microdot left by her father, and the assassins won't stop there.

Las Vegas on vacation with a king as bodyguards, and an assassin's menace.

A Grecian mail order bride may be a Trojan horse.

Yanks vs. Brits after Nazi art treasures in a convent garden.

A very small person on the Embassy staff becomes a very large factor in espionage plans.

The best you can say about a child prodigy who takes you for a ride is maybe he's defective, after all.

On the border between Greece and Yugoslavia, airplane trouble besets USAF flights. Worse than that, who has been sleeping with the mayor's daughter?

Undercover counterspying at NASA with an ex-wife as beard, who disappears.

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

Russian defector for American girl: good business or not?

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

Flashback on a murdered ballerina, Soviet style?

Anti-submarine warfare and mysterious assassinations.

Bouts of depression hit Scott too hard for anything but counseling. He and Robinson independently remember training school.

Hare & hounds in San Francisco with the cadets, a charming tourist and a ringer.

A nuclear power station is planned for the desert, but an operative is dead on the scene. The town is tight and runs the boys out, but they keep plugging.

A nightclub singer is a pawn between drug smugglers (who have kidnapped Scott) and the pair.

A bodyguard assignment for a very unpleasant sort of fellow.

An agent is killed, the microfilm is missing, his girlfriend is threatened.

A Tokyo seminar on obesity is threatened with a new form of Chinese plague.

An anti-American group in Japan menaces the last of the aristocracy.

An American schoolteacher, an ancient walled city, a missing train and a valuable cargo lost in China.

A definitive mission to Vietnam in order to rescue the daughter of a physician.

A womanizing American hampers efforts to protect a Japanese economic conference from Communist sabotage.

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?