Ben Aaronovitch's bestselling Rivers of London urban fantasy series -
"The perfect blend of CSI and Harry Potter." --io9
Suspicious deaths are not usually the concern of Police Constable Peter
Grant or the Folly--London's police department for supernatural
cases--even when they happen at an exclusive party in one of the flats
of the most expensive apartment blocks in London. But the daughter of
Lady Ty, influential goddess of the Tyburn river, was there, and Peter
owes Lady Ty a favor.
Plunged into the alien world of the super-rich, where the basements are
bigger than the houses, where the law is something bought and sold on
the open market, a sensible young copper would keep his head down and
his nose clean.
But this is Peter Grant we're talking about.
He's been given an unparalleled opportunity to alienate old friends and
create new enemies at the point where the world of magic and that of
privilege intersect. Assuming he survives the week...