Alison Morton, author of the stunning alternative history Roma Nova series, and Helen Hollick, whose historical fiction ranges across the centuries from King Arthur to pirates of the Caribbean, have both taken exciting steps into new genres. I recently eavesdropped on them in conversation during their current Blog Tour, talking about the challenges and rewards of moving in new directions...   Thank you, Lucienne, for hosting a stop on our joint tour for our new released mystery/thriller novels Double Identity by Alison Morton and A Mirror Murder by Helen Hollick. Helen: It was quite coincidental that we both decided to branch out from our usual genres into mystery/thrillers at more or less the same time, wasn’t it Alison? My A Mirror Murder is a novella ‘cosy mystery’, while your, Double Identity is a fast-paced thriller. What they have in common is the theme of investigating a murder. Alison: I wanted to write a character with strong roots in France, which is where I live...