
On the brink of war, one secret will tear a powerful family apart.
The Hartford sisters gather for one final night at Bonsall Hall, their once-grand family estate, on the eve of it being lost forever. The dinner is meant to mark an ending — a farewell to the house, the past, and the life they once knew. But before morning comes, everything changes.
Audrey, the youngest, is reckless and curious, always pushing against the rules that bind her. Katherine, the eldest, is controlled and calculating, fiercely protective of thefamily’s reputation at any cost. Beatrice clings to elegance and influence through her dangerous political connections, while Sophia’s radical beliefs place her on the opposite side of everything the family stands for.
When a guest disappears under suspicious circumstances, the fragile balance between the sisters begins to fracture. As Europe edges closer to war, their personal loyalties collide with their political convictions, and Audrey is drawn into a shadowy world of secrets, surveillance and power struggles that reach from country houses to intelligence offices.
With Britain racing to prepare for a conflict, the sisters must decide where they stand — with each other, with their country, or with their own beliefs. Because some truths could change the course of history… and some are deadly enough to destroy a family.
Of Sisters and Spitfires is a gripping historical thriller about family and the moral compromises made in the shadow of war, perfect for fans of Kate Atkinson and Robert Harris.

Frank Francis is a pseudonym for the combined work of George F. Brown and
Guillaume Jest, known for their contributions to the historical thriller genre.
My thoughts: The Hartford sisters made me think of the Mitford sisters (probably intentionally), where they were on opposite sides of the political spectrum. Although they still had their parents and brother, and I think at least one of them was properly nuts.
The Hartfords struggle with their relationships, politics causing division, but they pull together when they have to. When a guest to the family home is killed mysteriously in the middle of the night, after visiting to bring them their brother’s journal, it seems there’s more to his visit than it first appears.
Youngest sister, Audrey, investigates with the help of a journalist friend, and is soon caught up in the huge changes sweeping Europe, especially in Germany, where she finds a cell of resistance fighters against the Nazi threat.
But what she soon learns is that things are much more complicated than it first appears, and her family secrets go deeper than she could imagine.
It’s a clever concept, a complex plot and reflects the real situation of the 1930s and 40s, as Europe headed to war.

*I was kindly gifted a copy of this book in exchange for taking part in this blog tour, but all opinions remain my own.
Thank you for being a part of this adventure x🩶🖤
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