Rivers of London 10

Now, with the enchantment accidentally broken by Olympia and Chelsea, daughters of the river goddess Mama Thames, Jeter, twisted by his time spent with the nymphs, has returned to our world bitter and resentful. It is a world he neither recognizes nor likes. All he wants is his life returned to him and woe betide any man who stands in his way. With Peter and Nightingale busy on another case, it falls to sisters Olympia and Chelsea with the help of the Foxes to stop Jeter and save the day--