Paula Hawkins' 2015 novel The Girl on the Train was a stunning success, now having sold over 15 million copies worldwide. Having spawned a film a year later, it was perhaps inevitable that it would make it's way to the stage as well, and here adapter's Rachel Wagstaff and Duncan Abel have produced a reasonable stab, albeit missing a little in the thrill department and also exposing a few of the weaknesses of the original novel along the journey. Rachel Watson on her train journeys likes to watch houses that she passes, and one that is just doors from her ex-husbands has a particular couple in it, which she christens Jason and Jess. When Jess, real name Megan, goes missing though, the alcoholic Rachel embroils herself into the investigation. However, does her memory loses cover up the fact that she is more involved than anyone realises. What The Girl on the Train does have in its central point is a remarkably strong female role, leaving the stage just briefly betwee...