From the million-copy-selling author of The Roman Mysteries comes a nail-biting time-travel adventure in Roman London - where past meets present. Billionaire Solomon Daisy is obsessed with the skeleton of a blue-eyed girl from Roman London. He has managed to invent a Time Machine so that he can go and find her, but it's estimated that for each hour spent in the past, the time traveller's life will be shortened so Solomon recruits a potential child time Alex Papas, a twelve-year-old boy who knows a smattering of Greek and Latin. Alex's mission is to go back to Londinium through a portal in London's Mithraeum and find out all he can about the blue-eyed girl. There are just three 1. Naked you go and naked you must return. 2. Drink, don't eat. 3. As little interaction as possible. But Time Travel is no picnic - and Roman London is far more dangerous than anyone could have known.

Alex and his friend Dinu vowed never to time-travel again . . . But now it's summer and Alex and Dinu have been offered a luxury summer holiday in Athens. After a rooftop banquet the evening they arrive, everyone gets food poisoning and is told not to eat for 48 hours. When Alex and Dinu feel better, they decide to stretch their legs. But the moment they step out of the hotel, their limo pulls up with their dangerous mentor Solomon Daisy who now has a new mission for them. He wants them to go back to the 'Golden Age of Athens' - to a time when Socrates was alive and when Athens was at peace with Sparta. The second book in Caroline Lawrence's gripping new time-travel series.