Rats are always bigger than you expect.' Falco, ancient Rome's hangdog investigator, hates sharing a cell with a rodent - though being bailed by his old mother is almost as embarrassing. His high-born girlfriend can't decide if she wants him, and Titus Caesar's reward for past services is a wet fish. Hoping for a better life, or at least a better apartment, he takes on new clients. On the elegant slopes of the Pincian Hill, three nouveau riche freedmen with two flashy wives are under siege by a clever redhead.

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.

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.

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.

"All the problems I know about are family ones." A frightened child approaches Roman informer Falco, pleading for help. Nobody believes Gaia's story that a relation wants to kill her--and neither does he. Beset by his own family troubles, by his new responsibilities as procurator of the sacred poultry, and by the continuing search for a new partner, Falco turns her away. Immediately he regrets it. Gaia has been selected as the new Vestal Virgin, and when she disappears Falco is officially asked to investigate.

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.

"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.

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.

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.

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.

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.

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.

It is the Roman holiday of Saturnalia. The days are short, the nights are for wild parties. A general has captured a famous enemy of Rome, and brings her home to adorn his Triumph as a ritual sacrifice. But the logistics go wrong.