Sam and Callum are still stranded in the parallel world, having been pulled across by the dangerous energy of the Bermuda Triangle. Now they've found Sam's mum

The New York Times bestselling Brit in the FBI series returns with a highly anticipated thriller, featuring special agents Nicholas Drummond and Michaela Caine

The Bermuda Trianglehas cast a shadow over Sam and Niamh Cutlers' lives since their mother vanished nine years ago. Her whereabouts remains a mystery and every

"Nicholas Drummond and his partner Mike Caine are threatened when the Fox calls from Venice asking for help. She warns Nick and Mike that a devastating Gobi des

Sam and Niamh's mother, Clare, disappeared off the coast of Florida when the twins were just five years old. Nine years later Clare's whereabouts is still a mys