THE SECRETS OF VESUVIUS in the immensely readable Roman Mysteries series by Caroline Lawrence again features a kind of classical famous five: Flavia Gemina and her friends, Jonathan, Nubia and Lupus, plus Scuto the dog, meet the great Pliny while on holiday in Pompeii and end up near Mount Vesuvius on the fateful night it erupted. An enormous amount of information about the ancient world is conveyed under the guise of a jolly good romp Fiona Lafferty