Rivers of London - Cry Fox vol.5 TPB

Vengeful Russian mobsters are looking to hire members of London's own more-then-natural underworld to bring bloody retribution down on the witch Varvara. However, the ex-Soviet sorcerer is under the protective wing of London's own wizarding cop, Peter Grant (now a proper detective and everything), and to get the attention of Grant and his colleagues, the the daughter of a prominent Russian oligarch is kidnapped by parties unknown but possibly fox-like. What makes it worse is that Peter is going to have to leave his beloved London and *gasp* go out into the countryside! And when there's trees and fields and wildlife involved, things never end well...