She could be a strong character. Given that her husband has a dangerous job, she has to be strong to handle the stress and uncertainty that comes with it.
I'm not sure specifically which 'the fireman novel' you are referring to. There could be many novels with a fireman as a character or related to the theme of firemen. It might be about a fireman's heroic deeds, his daily life at the fire station, or his personal struggles while dealing with dangerous fires and saving lives.
I'm sorry, but without more information, I can't tell who the author of 'the fireman novel' is. There are likely many novels with 'fireman' in the title or related to firemen, and each could be written by different authors.
One reason is the complex relationship between Snape and Harry in the original Harry Potter series. Writers are intrigued by this relationship and use the idea of Snape pinning something on Harry as a way to explore it further. It could be a symbol of protection, a sign of a hidden connection, or a device for plot development.
I'm not sure exactly what the specific story is about hair pins and watches. It could be a story where a hair pin is used to fix a broken watch strap, or perhaps a more magical story where a hair pin has some special power related to a watch, like opening a secret compartment in it.
Queen Pins is not based on any actual events or people. It's the imagination of the writers and creators, crafted to provide an engaging and fictional narrative for viewers.