[[http://www.amazon.co.uk/Girl-Train-Paula-Hawkins-ebook/dp/B00NOPQU2K/ref=sr_1_1?s=digital-text&ie=UTF8&qid=1427528073&sr=1-1&keywords=girl+on+a+train]] I've been waiting for this to come down for ages, so very happy it's happened just before our hols!