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Publisher Description

A USA Today Bestseller and RITA® Finalist, The Demon Duke is the first in Margaret Locke's new Put Up Your Dukes Regency historical romance series.


"Locke has outdone herself with this sensitive, splendid Regency and her portrayal of its disabled hero. Damon Blackbourne has a little-known, completely misunderstood neurological disorder (now known as Tourette syndrome) that causes involuntary, uncontrollable nervous muscle twitches.

The real value to this romance is Locke's depiction of the lovers overcoming the social obstacles that others create out of fear and suspicion of Damon's disability. This tale of hope and courage will appeal to Regency readers across the board." - Publisher's Weekly starred review, March 2, 2018

"Regency romance lovers will savor this story, interspersed with perfect amounts of romance, intrigue and redemption." - InD'Tale Magazine, October 2017


A man tormented by a painful secret meets the bookish miss who just might save him from himself...

Behind every good man is a great secret.

Banished to Yorkshire as a boy for faults his father failed to beat out of him, Damon Blackbourne has no use for English society and had vowed never to return to his family's estate at Thorne Hill, much less London. However, when his father and brother die in a freak carriage accident, Damon must take up the mantle of the Malford dukedom and chaperone his sisters through the London Season–his worst nightmare come to life.

He never planned on Lady Grace Mattersley. She stirs him body and soul--until she stumbles across his dark secret.

Bookish Grace much prefers solitude and reading to social just-about-anything. Her family may be pressuring her to find a husband, but she has other plans, such as writing a novel of her own. She has no idea, however, how to deal with the all-too-alluring Duke of Malford.

Will she betray him to the world? Or will she be his saving Grace?


If you love "beauty and the beast" stories, you'll love The Demon Duke...

"Margaret Locke's fourth book, The Demon Duke, puts her squarely in the senior ranks of Regency romance novelists. The balls, the social interactions, the rigidity of Regency society's arcane rules, all come to life in a charming way. And, of course, there are a number of happily ever afters. An excellent read, and I can't wait to see what adventures await the panoply of engaging characters." - P. A. Duncan, author of A War of Deception


Length: 278 pages

June 6
Locked On Love Publishing
Draft2Digital, LLC

Customer Reviews

BlueSolarMonkey ,

Fun & Sweet

I’ve read Ms. Locke’s other romances, which featured some light paranormal events, including time travel and magic. The Demon Duke is her first foray into a non-paranormal historical, but she took a unique angle on her story by giving her hero an unusual affliction.

Damon’s Blackbourne’s secret has estranged him from his family (his father was a cruel man who held the dominant views of the time about Damon’s syndrome), but after his father’s death, Damon must return to Society to take on the responsibilities of the Duke of Malford, including bringing out his sisters. He holds his secret close.

Shy Grace Mattersley has little interest in the Season or in the Marriage Mart, but the Duke of Malford is different from the usual aristocratic prospective husband. Once she learns his secret, she faces a choice—to revile him as much of Society does, or to follow her heart.

This book is one step sideways from your typical genre Regency romance, with a sweet, heartfelt story that, after reading the author’s note, you’ll see as a work of pure love.

Gwen2day ,

Simply: Love

What an amazing story of love, acceptance, and overcoming. I am deeply moved and touched. Thank you, Margaret Locke!

Jenni483 ,

Great Read

Loved this book! Couldn’t put it down!

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