"It's only words, and words are all I have, to take your heart away." —Bee Gees
I used to commute to and from college back when the Jakarta commuter line hadn't yet revamped their trains. You do tend to wonder about some of the places and people you pass every day.
As for this book, about one-third of the way in I was able to predict who the culprit is, and I was right. None of the characters are particularly likeable, but it's an OK mystery I guess.