Templeton-Green assigns Mannering to uncover an art smuggling operation which is seeing priceless treasures from the Vatican being couriered to London. An old flame of the Baron is also involved, and Mannering is as keen to rescue her as he is to solve the mystery.

Mannering comes up against a rival antiques dealer when a long lost antique sword resurfaces. However, only one of them plays by the rules.

Mannering visits Scotland after the death of one of his associates in a car accident; things take a mysterious turn when he spots someone in a local pub wearing the antique ring Mannering had instructed his associate to buy.

Mannering discovers that his Paris shop is being used as a front for drug trafficking.

Assigned to provide safe escort for a witness to a Mafia murder, the Baron is caught in a standoff with the killers in a lonely Italian hilltop village.

Mannering and Cordelia make their way to the West Country, intending to value an estate, but become caught up in the hunt for the spoils of a bank robbery carried out several years earlier.

While in South America on a routine assignment, Cordelia disappears. Mannering goes looking for her, and on the way uncovers a deposed former president's coup attempt.

In the aftermath of an audacious theft of the world's most famous painting, the Baron takes on the role of authenticator in the artwork's proposed sale.

Mannering and Cordelia arrive in a small Balkan state to broker an antiques deal with the widow of its former president, only to find she is on the run from the newly installed dictator.

The Baron is at the center of an elaborate double-double cross which revolves around the sale of the Seven Eyes of Night, a necklace once owned by the Empress Josephine.

While investigating the disappearance of a friend, Mannering stumbles upon a bizarre sect determined to exploit and defraud its unlucky followers.

Discovering that Russian icons he had sold in good faith to a gallery have been substituted by fakes, The Baron attempts to secure the originals by playing the thief at his own game around a rigged poker table.

Templeton-Green assigns Mannering to investigate how art treasures looted by the Nazis and believed lost are finding their way on to the market. 

A famous cameo with a curse attached causes trouble for Cordelia when she tries to broker a deal, only to discover the owner has been murdered, and the killers are going to extreme lengths to obtain it. 

Mannering and Cordelia, held captive on a blacklisted freighter, learn that the ship's crew form part of a plot designed to disturb an American space capsule from its orbit.

While on the trail of a missing shipment at the docks in Macau, Cordelia uncovers a murder that has taken place on board a cargo vessel.

When Mannering is the only witness to a murder perpetrated by a gangland boss, he decides the only way to protect himself is to go on the offensive.

Mannering is convinced that his old friend Louisa Trenton has been murdered when she turns up dead after asking him to buy a number of valuable miniatures from her. The police seem satisfied that it was suicide but the Baron has other ideas.

When the Baron comes to the aid of a frightened girl on a lonely country road, he suddenly loses 24 hours of his life; as he pieces together the puzzle of the missing hours he uncovers an assassination plot.

Old rivalries between a British prisoner and a former Japanese POW camp commandant resurface in the wake of a valuable samurai sword's sale.

The Baron is tricked into looking over a deal between the King of Ammak and a millionaire to buy some of the Ammak crown jewels.

The mysterious death in the French Alps of a friend of Cordelia leads Mannering to uncover a plot to sell a particularly lethal strain of germ warfare to the highest bidder. 

Mannering's assistant is kidnapped from the shop and a ransom is demanded for his safe return; Mannering is forced to sell a fake Renoir painting to secure the money.

To prevent a particularly audacious robbery, Mannering poses as his double who was to have acted as a decoy.

The Baron finds himself in possession of an exact double of himself as a criminal gang prepares to execute the most audacious robbery yet witnessed.

A secret drop-off goes wrong for Mannering and Cordelia when Mannering's contact is caught by the police and forced to name his contact.

Mannering finds himself transporting a priceless statuette out of a fascist state at the request of an ailing freedom fighter.

In order to get an Aztec mask that is worth a fortune, John Mannering makes a deal with a crooked insurance agent.

Cordelia is kidnapped and the Baron finds himself an inadvertent and unwilling accomplice in a large scale jewel robbery.

After tracking down a thief who stole his Fabergé bauble, Mannering agrees to help British intelligence take down a ring of art thieves hiding behind diplomatic immunity.