So there you are, reading this book and you’re just about getting to grips with the low-level jargon and abbreviations (by skipping over several of those you can’t decipher). You’re beginning to forgive them for being Scottish, since most of the good cop-shows and cop-reads are – and, like Shakespeare, the rhythm settles into your brain after a few pages – though you will possibly change your mind when you discover 300 pages later the setting’s sole purpose might just be to get the Leith police joke to work.