The brand new novella in the Sunday Times #1 bestselling Rivers of London series.

Details to be revealed soon: stay frosty...

PRAISE FOR BEN AARONOVITCH & THE NUMBER ONE BESTSELLING RIVERS OF LONDON SERIES:

'Highly entertaining'
SUNDAY EXPRESS

'Charming, witty, exciting'
THE INDEPENDENT

'Ben Aaronovitch has created a wonderful world full of mystery, magic and fantastic characters'
NICK FROST

'As brilliant and funny as ever'
THE SUN

'An incredibly fast-moving magical joyride for grown-ups'
THE TIMES

'Funny and wildly inventive'
MAIL ON SUNDAY