The Iron Hand of Mars sees Falco being dispatched to one of the most hostile parts of the Empire to deliver a new standard, an iron hand, to one of the legions. Germania is cold, wet, dismal, and full of dark forests inhabited by bloodthirsty barbarians, but Falco has an even bigger problem to worry about: he has forgotten Helena Justina's birthday, and she is being pursued by the Emperor's son Titus Caesar.

I was the new boy, so they saddled me with the worst jobs.' Rome, AD 71. Against his better judgement, Falco secretly disposes of a decayed corpse for the Emperor Vespasian, then heads for the beautiful Bay of Naples with his best friend Petronius. He conveniently forgets to mention to his companion that this will be no holiday. They have been sent to investigate the murderous members of a failed coup, now sunning themselves in luxurious villas and on fancy yachts.

I was just a freelance hero doing his best in a hard world.' The spirit of adventure calls Falco on a new spying mission for the Emperor Vespasian to the untamed East. He's picking up extra fees from his old friend Thalia the snake dancer as he searches for Sophrona, her lost water organist. With the Chief Spy Anacrites paying his fare, Falco knows anything can go wrong. A dangerous brush with the Brother, the sinister ruler of Nabataean Petra, sends Falco and his girlfriend Helena on a fast camel-ride to Syria.

One fine day, A.D. 70, Sosia Camillina quite literally runs into Marcus Didius Falco on the steps of the Forum. It seems Sosia is on the run from a couple of street toughs, and after a quick and dirty rescue, P.I. Falco wants to know why.

"I still can't believe I've put the bastard away for good!" Petro muttered.' Petronius Longus, captain of the Aventine watch and Falco's oldest friend, has finally nailed one of Rome's top criminals. Under Roman law, citizens are not imprisoned but are allowed 'time to depart' into exile outside the Empire. One dark and gloomy dawn, Petro and Falco put the evil Balbinus aboard a ship. But soon after, an outbreak of robbery and murder suggests a new criminal ring has moved into Balbinus' territory.

What did he eat last? Whom did he eat, in fact? Lumbered with working alongside reptilian Chief Spy Anacrites, Falco has the perfect plan to make money - he will assist Vespasian in the Emperor's 'Great Census' of AD 73. His potential fee could finally allow him to join the middle ranks and be worthy of long-suffering Helena Justina. Unexpectedly confronted with the murder of a man-eating lion, Falco is distracted from his original task, uncovering a bitter rivalry between the gladiators' trainers.

Marcus Didius Falco and his friend Petronius find their local fountain has been blocked - by a severed human hand. Soon other body parts are being found in the aqueducts & sewers.

Marcus Didius Falco discovers that rank brings problems, the most gruesome of which is a corpse buried under the tiles of his new bath house. The contractors have fled to Britain where, as the Fates have it, Falco is ordered. A local chief and ally of the Romans is having a Palace built by the Emperor Vespasian. However, the project is running late, and fatal accidents keep happening. Falco, troubleshooting for the Emperor, is without an ally and now next on the list for assassination.

Marcus was hoping for a relaxed visit to Britannia. But things turn serious at the scene of a murder. King Togidubnus has been stuffed down a bar-room well - leading to a diplomatic situation which Marcus must resolve.

"The first concern of an author is to do down his colleagues." In the long, hot Roman summer of AD 74, Falco, private informer and spare-time poet, gives a reading for his family and friends. Things get out of hand, as usual. The event is taken over by Aurelius Chrysippus, a wealthy Greek banker and patron to a group of struggling writers, who offers to publish Falco's work.

Fresh from his trip to Britain, Falco needs to re-establish his presence in Rome. A minor role in the trial of a senator entangles him in the machinations of Silius Italicus and Paccius Africanus, two real-life lawyers at the top of their trade. These notorious ex-consuls play a dangerous game, where success brings rich pickings but a mistrial or a wrong verdict entails huge financial penalties.

Returning to Rome after his mission to Germania, Falco finds that his mother is being harassed by a centurion named Censorinus, who says he is chasing a debt owed to him by Falco's brother Festus. Censorinus claims that Festus was involved in a syndicate, shipping valuable statues from Greece - and that even when his ship sunk; Festus had guaranteed that everyone in the group would get their money back.

This was a lonely place for anybody to be brought to die.' In the wealthy town of Ostia, our hero Falco appears to be enjoying a relaxing holiday. But when his girlfriend, Helena, arrives carrying a batch of old copies of the Daily Gazette - with the intention of catching up on the latest scandal - Falco is forced to admit to Petronius his real reasons for being there. 'Infamia', the pen name of the scribe who writes the gossip column for the Daily Gazette, has gone missing.

Greece, home of the ancient Olympic Games, is a favourite destination for Seven Sights Travel, a seedy company which provides escorted tours for wealthy travellers. When Marcus Didius Falco and Helena hear that a young girl and a newly-wed woman, both Roman visitors, have been murdered at Olympia, they both step in to investigate.

In the high summer of AD 77, Marcus Didius Falco is beset by personal problems. Newly bereaved and facing unexpected upheavals, it is a relief for him to consider someone else’s misfortunes. A middle-aged couple who supplied statues to his father, Geminus, have disappeared. They had a feud with a bunch of notorious freedmen, the Claudii, who live rough in the pestilential Pontine Marshes, terrorising the neighbourhood.