The Royal Train is the most luxurious and elusive locomotive in the history of the British Isles. For over 150 years, from Queen Victoria to Queen Elizabeth, it has been our monarchy’s favourite way to travel. But until now, the private world behind its veiled carriages have remained a mystery to all but a very privileged few. This is the inside story of this extraordinary palace on wheels; from its lavish past as the royal express of excess, to her Majesty Queen Elizabeth’s mobile ‘home from home’.