Shrike

The aviatrix locked the Jenny’s hatches with a key that hung on a thong around her neck, but
when a little bare-foot boy ran up and tugged at her coat saying, “Watch yer airship for yer, Missus?”
she laughed and dropped three square bronze coins into his palm.

Chapter 11: Airhaven, Mortal Engines, pg 47/152

But Shrike had already made certain that the little airship would not be going anywhere that
night. The envelope had been slashed, the cowling of the starboard engine pod had been wrenched
open like an old tin can and a spaghetti of torn wiring spilled out on to the quay. Among it lay the
broken body of the boy Miss Fang had paid to guard her ship.

Chapter 12: Gasbag and Gondola, pg 50/152, Mortal Engines