Stuyvesant & Grey
Harris Stuyvesant: Bureau of Investigation agent out of his depth, first in England during the 1926 General Strike (Touchstone), then in Paris during the sweltering confusion of September, 1929 (The Bones of Paris).
Bennett & Sarah Grey: a brother devastated and transformed by the War, a sister working hard to set the world aright.
Stuyvesant & Grey: a series that explores the turmoil of Europe between the Wars, the human need for touch, and the terrible dangers in friendship.
(In reverse order of publication)