After a nice lunch and the Awards Presentation (congratulations to all the winners and those who were longlisted) there was a panel discussion of what makes a historical thriller with Antonia Hodgson, Manda Scott and Rory Clements.
The difference between a thriller and a mystery is that a mystery is a literary crossword puzzle where the reader doesn’t know the outcome while a thriller is more to do with whether or not the protagonist/s survive.
Spy thrillers are popular in Britain but not so much elsewhere in the world where there is not so much of the James Bond glamour attached to the profession.
Historical crime is a good genre to explore various class systems in the point of history in which you are writing as crime knows no social distinctions. It is also a popular genre for films and TV.