A Rivers of London novella, from Sunday Times Number One bestselling author Ben Aaronovitch.

Trier is famous for wine, Romans and for being Germany's oldest city. So when a man is found dead with, his body impossibly covered in a fungal rot, the local authorities know they are out of their depth.

Fortunately this is Germany, where there are procedures for everything.

Enter Investigator Tobias Winter, whose aim is to get in, deal with the problem, and get out with the ...