Nooraini Mydin’s 50th birthday passed without much of a marker, so she was determined to do something memorable for her 60th. She had always been curious about the Trans-Siberian railway but thought “how about I make it really exciting and get the train from London all the way to Kuala Lumpur?” she says. “I am such a chicken, or I was at that time. I used to get very lonely when I travelled alone.” But in August 2016 she set off with two suitcases – containing her laptop, to write…