Ben Aaronovitch & Andrew Cartmel 
Rivers of London: Night Witch #1 [EPUB ebook] 
Night Witch #2

An all-new Rivers of London original comic series, written by Ben Aaronovitch and Andrew Cartmel!

Following a disastrous attempt to ”recruit” the witch, Vavara, a Russian oligarch turns his sights on Peter Grant and Thomas Nightingale – two of London”s finest policemen and its only wizards – to help recover his daughter – apparently kidnapped by dark elemental forces. But for Peter and Nightingale, a dark betrayal from the past is about rear its ugly head…