Ancient Rome is the setting for the superb new novel from Robert Harris, author of the number one bestsellers Fatherland, Enigma and Archangel. Where else to enjoy the last days of summer than on the beautiful Bay of Naples. All along the coast, the Roman Empire’s richest citizens are relaxing in their luxurious villas. The world’s largest navy lies peacefully at anchor in Misenum. The tourists are spending their money in the seaside resorts of Baiae, Herculaneum and Pompeii. Only one man is worried. The engineer Marius Primus has just taken charge of the Aqua Augusta, the enormous aqueduct that brings fresh water to a quarter of a million people in nine towns around the Bay. Springs are failing for the first time in generations. His predecessor has disappeared. And now there is a crisis on the Augusta’s sixty-mile main line - somewhere to the north of Pompeii, on the slopes of Mount Vesuvius. Marius - decent, practical, incorruptible - promises Pliny, the famous...