Changing the Future — Paula Martin

Lisa Marshall is stunned when celebrated volcanologist Paul Hamilton comes back into her life at the college where she now teaches. Despite their acrimonious break-up several years earlier, they soon realise the magnetic attraction between them is stronger than ever. However, the past is still part of the present, not least when Paul discovers Lisa has a young son. They can't change the past, but will it take a volcanic eruption to help them change the future?