Fire Watch is a book of short stories by Connie Willis, first published in 1984, that touches on time travel, nuclear war, the end of the world, and cornball humour.
The title story, "Fire Watch", is about a time-travelling historian who goes back to the Blitz in London. He's miffed because he spent years preparing to travel with St. Paul and gets sent to St. Paul's Cathedral in London, instead. This model of time travel also features in Willis's subsequent novels Doomsday Book, To Say Nothing of the Dog and Blackout/All Clear, set in the same continuity.
The stories are:
This was Connie Willis's first collection. Several of the stories won or were nominated for awards: