Black Sheep Books in Order
Part ofMary Kingswood Books in OrderFollow the Black Sheep books by Mary Kingswood in order, with summaries, series background, and updates on this unfolding Regency mystery.
Last updated: June 7, 2026
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Publication Order
4 books
The Duke's Architect
by Mary Kingswood
2026
Sophia Merrington hates life at Staineybank, while struggling architect Simon Payne arrives there on a commission nobody seems to have sent. Their unexpected meeting opens a romance and deepens the mystery of the household's unexplained invitations.
The Duke's Gardener
by Mary Kingswood
2026
Another unexpected arrival unsettles Staineybank as the duke's new gardener enters a house already full of strangers, family strain, and unanswered questions. The larger mystery moves on while a fresh romance takes root.
The Duke's Heir
by Mary Kingswood
2026
Quiet Richard Merrington is summoned to become the Duke of Brinshire's heir and finds his whole family uprooted overnight. The equally mysterious arrival of Rowena Holt hints that Staineybank's past is far from settled.
The Duke's Portraitist
by Mary Kingswood
2026
An ambitious painter arrives at Staineybank and walks straight into a household already crowded with secrets. Between the duke's secretary, a widowed companion, and yet another unexplained summons, art becomes part of the larger puzzle.
Series background & context
Black Sheep is one of Mary Kingswoods newest Regency mystery-romance series, and it begins with a house full of uncertainty. The elderly Duke of Brinshire has lost his last son and is forced to acknowledge a distant cousin as heir. Richard Merrington arrives at Staineybank with his mother and sisters expecting a dramatic change in fortune. They are not the only arrivals.
That is the hook of the series. Someone keeps summoning seemingly unrelated strangers to the dukes house. In the prequel, The Duke's Heir, an impoverished young woman arrives under mysterious circumstances and shocks the household. In The Duke's Architect, a struggling architect turns up to work on an orangery nobody asked him to design. The Duke's Portraitist and The Duke's Gardener continue the pattern, with each newcomer bringing both a fresh romance and another clue.
So although each book has its own central pair, the larger question is always waiting in the background. Who is arranging these invitations? What do the arrivals have in common? Is someone trying to repair an old wrong, expose a family secret, or unsettle the duke for reasons no one yet understands? Kingswood has used ongoing mysteries before, but here she leans into the country-house puzzle very directly.
Staineybank itself is a big part of the appeal. It is a ducal house, but not a serene one. It is crowded with new relatives, old habits, uncertain loyalties, practical problems, and the emotional strain of an inheritance that nobody quite expected. That makes it a lively setting for romance. People are constantly being thrown together, judged too quickly, or forced to reconsider what sort of future they want.
The tone, so far, feels like classic Kingswood with a slightly sharper mystery edge. The romances are still traditional and character-based, but the series seems especially interested in hidden histories and the way one household can gather a surprising assortment of outsiders. The title Black Sheep hints at that nicely. These are people who do not fit smoothly where they are supposed to fit.
If you enjoy the promise of an unfolding country-house mystery as much as the individual love stories, this series is an inviting place to start. It already has the pleasures Kingswood does well, family friction, social uncertainty, quiet humour, and patient courtship, with the added fun of a long game that is still taking shape.
Edited by
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