On Thursday 3 April 1817, in the village of Almondsbury just outside of Bristol, a strangely dressed young woman began attracting the attention of local villagers. In the weeks and months that followed she became a figure of national renown: but was this lady 'Caraboo' really the exotic princess that she claimed to be? I spoke with author Catherine Johnson to discuss Princess Caraboo and to try and unravel some of the mysteries of her extraordinary life.