What Abigail Did That Summer (Rivers of London, #5.3)

by Ben Aaronovitch

The porch is freshly painted, though, and it has one of those Number 10 doors with an ornamental knocker that looks like it should have the face of a dead banker but doesn’t.

“For operational reasons,” says Indigo, “you should call me Gaspode.” “Gaspode?” “That’s my cover name,” says

“‘For this insult I will enslave you, you and all your children,’ said the cat, but those were its last words.