Ben Aaronovitch

Detective Sergeant Peter Grant takes a much-needed holiday up in Scotland. And he'll need one when this is over ... If the more the merrier, then this gang should be ecstatic as Peter's entire family tags along. Even his boss, DCI Thomas Nightingale, takes in the coastal airs as he trains Peter's cousin Abigail in the arcane arts. And they'll need them too, because Scotland's Granite City has more than its fair share of history and mystery, myth ...
and murder. When a body is found fresh from the sea, the case smells fishy from the off. Something may be stirring beyond the bay - but there's something far stranger in the sky ...