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Wrexford & Sloane #10
Murder on Threadneedle Street
Not yet published
Expected 29 Sep 26Not all that glitters in Regency London is quite what it seems, as Charlotte and Lord Wrexford discover when a counterfeiting scheme draws them into a deadly web of murder and manipulation in USA Today bestselling author Andrea Penrose’s masterfully plotted mystery for readers of Victoria Thompson, C.S. Harris, and Deanna Raybourn.
Lord Wrexford and Charlotte’s growing family ensures that life is a source of constant adventure. The addition of Wrexford’s half-sister to their household is proving an unexpected delight. But some surprises are less welcome—and trouble strikes when Hawk, one of the young boys in their care, arrives home distraught after learning that his new drawing teacher has been found murdered on Threadneedle Street.
Fletcher Campbell’s death could be dismissed as a random robbery turned violent. But as an artist herself, Charlotte suspects there’s more to the case than meets the eye. Closer examination reveals that a distinctive ring was taken from the victim’s finger. With Hawk pleading for the family to help solve the crime, Charlotte and Wrexford suddenly find themselves entangled in a fiendish mystery that harkens back to a decade-old scandal that nearly brought down the government.
It seems Campbell’s brother was the infamous leader of a counterfeiting gang that swindled the Bank of England. Most were apprehended, but forged banknotes remain a problem. Now, the Bank of England has offered £20,000 to anyone who can use the newly-invented engineering technologies to create the Inimitable Banknote—a complex design that cannot be counterfeited.
It’s a prize that could tempt anyone, and Wrexford and Sloane’s investigation turns even more fraught when one of their closest friends falls under suspicion. The deeper they probe, the more treachery comes to light. For when a lie so easily masquerades as truth, danger may be much closer than they think . . .
Lord Wrexford and Charlotte’s growing family ensures that life is a source of constant adventure. The addition of Wrexford’s half-sister to their household is proving an unexpected delight. But some surprises are less welcome—and trouble strikes when Hawk, one of the young boys in their care, arrives home distraught after learning that his new drawing teacher has been found murdered on Threadneedle Street.
Fletcher Campbell’s death could be dismissed as a random robbery turned violent. But as an artist herself, Charlotte suspects there’s more to the case than meets the eye. Closer examination reveals that a distinctive ring was taken from the victim’s finger. With Hawk pleading for the family to help solve the crime, Charlotte and Wrexford suddenly find themselves entangled in a fiendish mystery that harkens back to a decade-old scandal that nearly brought down the government.
It seems Campbell’s brother was the infamous leader of a counterfeiting gang that swindled the Bank of England. Most were apprehended, but forged banknotes remain a problem. Now, the Bank of England has offered £20,000 to anyone who can use the newly-invented engineering technologies to create the Inimitable Banknote—a complex design that cannot be counterfeited.
It’s a prize that could tempt anyone, and Wrexford and Sloane’s investigation turns even more fraught when one of their closest friends falls under suspicion. The deeper they probe, the more treachery comes to light. For when a lie so easily masquerades as truth, danger may be much closer than they think . . .
Kindle Edition
Expected publication September 29, 2026
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459 people want to read
About the author
Andrea Penrose
25 books2,009 followersAndrea Penrose is the USA Today bestselling author of Regency-era historical fiction, including the acclaimed Wrexford & Sloane mystery series, as well as Regency romances written under the names Cara Elliott and Andrea Pickens. Published internationally in ten languages, she is a three-time RITA Award finalist and the recipient of numerous writing awards, including two Daphne Du Maurier Awards for Historical Mystery and two Gold Leaf Awards.
A graduate of Yale University with a B.A. in Art and an M.F.A. in Graphic Design, Andrea fell in love with Regency England after reading Pride and Prejudice and has maintained a fascination with the era’s swirling silks and radical new ideas throughout her writing career. She lives in Connecticut and blogs with a community of historical fiction authors at WordWenches.com. She also can be found at AndreaPenrose.com and on Instagram @AndreaPenroseBooks.
A graduate of Yale University with a B.A. in Art and an M.F.A. in Graphic Design, Andrea fell in love with Regency England after reading Pride and Prejudice and has maintained a fascination with the era’s swirling silks and radical new ideas throughout her writing career. She lives in Connecticut and blogs with a community of historical fiction authors at WordWenches.com. She also can be found at AndreaPenrose.com and on Instagram @AndreaPenroseBooks.
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Displaying 1 - 2 of 2 reviews
Review of advance copy received from NetGalley
Murder on Threadneedle Street by Andrea Penrose
Murder on Threadneedle Street is the latest Wrexford and Sloane historical mystery. As expected, this book was wonderful. I have enjoyed every book in this series and this one is no different. Charlotte, Wrexford and their family are roped into another mystery when one of the children’s tutors is murdered. This mystery again involves a scientific discovery of the day and it was so interesting to read about how paper money was first created and all the problems that were involved in creating it. Ms. Penrose does meticulous research (which is explained in notes at the end of the book) and it really shows. Not only does she share historic details, but she makes them easy to understand and quite fascinating. The mystery was fun to figure out and the reveal of the murderer was very exciting and unexpected. I love reading about Charlotte and her family and I look forward to the next book.
Thank you to NetGalley and the publisher for allowing me to read this book. All opinions are my own.
Murder on Threadneedle Street is the latest Wrexford and Sloane historical mystery. As expected, this book was wonderful. I have enjoyed every book in this series and this one is no different. Charlotte, Wrexford and their family are roped into another mystery when one of the children’s tutors is murdered. This mystery again involves a scientific discovery of the day and it was so interesting to read about how paper money was first created and all the problems that were involved in creating it. Ms. Penrose does meticulous research (which is explained in notes at the end of the book) and it really shows. Not only does she share historic details, but she makes them easy to understand and quite fascinating. The mystery was fun to figure out and the reveal of the murderer was very exciting and unexpected. I love reading about Charlotte and her family and I look forward to the next book.
Thank you to NetGalley and the publisher for allowing me to read this book. All opinions are my own.
Review of advance copy received from Edelweiss+
I love this series and the family and friends of Charlotte and Wrexford. As the children grow up, new limits are set and two of the Weasels receive guns to protect themselves and others. There is a competition to make banknotes that are impossible to counterfeit. An American joins the competition and everyone wants to find him and his printing press. They are also working to find the mastermind behind the previous successful counterfeiting crime.
Displaying 1 - 2 of 2 reviews