Single Sundays: The Friday Society by Adrienne Kress
Synopsis (from Goodreads.com): An action-packed tale of gowns, guys, guns –and the heroines who use them all Set in turn of the century London, The Friday Society follows the stories of three very intelligent and talented young women, all of whom are assistants to powerful men: Cora, lab assistant; Michiko, Japanese fight assistant; and Nellie, …