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Heir Apparent (The Sam Plank Mysteries) Paperback – October 7, 2019
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A young man returns to London from the family plantation in the Caribbean after an absence of six years to be at his father’s deathbed – and to inherit his estate. But is the new arrival who he says he is, or an impostor? Anyone who doubts his identity seems to meet an untimely end, but his sister swears that he is her beloved brother.With their investigations leading them into the complicated world of inheritance law and due process after death, Constable Sam Plank and his loyal lieutenant William Wilson come face to face with the death trade and those who profit from it – legally or otherwise. Among them is an old enemy who has used his cunning and ruthlessness to rise through the ranks of London’s criminal world. And, in this sixth novel in the series, it’s now 1829: as plans progress for a new police force for the metropolis, Sam and his wife Martha look to the future.
- Print length377 pages
- LanguageEnglish
- Publication dateOctober 7, 2019
- Dimensions5.25 x 0.95 x 8 inches
- ISBN-101916001955
- ISBN-13978-1916001954
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Editorial Reviews
Review
"Once again in Heir Apparent, the author has given us an adventure which takes us on a riotous journey through London, and beyond, into a dangerous criminal underworld of forged identity, dastardly dealings and general skulduggery. The historical research is impeccable, the nature of the crime is explained in minute detail and the way in which the mystery is solved is expertly concluded in a way which has you nodding your head in wry agreement. As always the author brings time and place vividly alive and it is no exaggeration when I say that the Sam Plank Mysteries are perhaps one of the best historical crime series I have read." Jaffareads Too book blog
"The characters and their relationships have a believable authenticity, as do the City and surrounding countryside accounts. The weaving of religious beliefs and humanitarianism, commerce and the judiciary through the whole is a mastery of the researcher's art; Ms Grossey's descriptions are thorough and yet never dull." Jacintha Books
Product details
- Publisher : Susan Grossey
- Publication date : October 7, 2019
- Language : English
- Print length : 377 pages
- ISBN-10 : 1916001955
- ISBN-13 : 978-1916001954
- Item Weight : 13.9 ounces
- Dimensions : 5.25 x 0.95 x 8 inches
- Book 6 of 7 : The Sam Plank Mysteries
- Best Sellers Rank: #5,276,403 in Books (See Top 100 in Books)
- #1,413 in Renaissance Historical Fiction (Books)
- #1,918 in World War I Historical Fiction (Books)
- #1,967 in Historical World War I Fiction (Books)
- Customer Reviews:
About the author

I have been in love with words ever since I realised, at age three, that those squiggles on the page actually meant something. For twenty-five years I ran my own anti-money laundering consultancy, and my obsession with understanding the mechanics and motivations of financial crime has only grown.
I spent years haunting the streets of Regency London, in the company of magistrates’ constable Sam Plank. He is the narrator of my series of seven historical financial crime novels set in consecutive years in the 1820s – just before Victoria came to the throne, and in the policing period between the Bow Street Runners and the Met Police. The fourth Sam Plank novel – “Portraits of Pretence” – was given the “Book of the Year” award in 2017 by influential book review website Discovering Diamonds. And the fifth – “Faith, Hope and Trickery” – was shortlisted for the Selfies Award 2019.
I am now working on a series of five books set in my hometown of Cambridge (England) in the 1820s, this time narrated by a university constable called Gregory Hardiman. The first in the series – “Ostler” – was shortlisted for the Selfies Book Award in 2024, and the second – “Sizar” – for the same award in 2025. I am now writing the third in the series, unimaginatively called “Gregory 3”, which is due out in December 2025.
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Reviewed by Discovering Diamonds
Top reviews from the United States
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- Reviewed in the United States on November 15, 2019This book has received a Discovering Diamonds Review:
Helen Hollick
founder #DDRevs
"From Sam himself, through his adorable wife, Martha, to William Wilson and his new young bride, Alice - and even the baby, young George - each character brings the life of London in the 1800s superbly to life."
5.0 out of 5 starsThis book has received a Discovering Diamonds Review:Reviewed by Discovering Diamonds
Reviewed in the United States on November 15, 2019
Helen Hollick
founder #DDRevs
"From Sam himself, through his adorable wife, Martha, to William Wilson and his new young bride, Alice - and even the baby, young George - each character brings the life of London in the 1800s superbly to life."
Images in this review
Top reviews from other countries
- DavidReviewed in the United Kingdom on March 21, 2025
5.0 out of 5 stars Sam Plank
An excellent series
- GrahamTReviewed in the United Kingdom on November 13, 2019
5.0 out of 5 stars Thoroughly enjoyable
I really enjoyed this latest book in the Sam Plank series and, coupled with the usual delightful descriptions of the sights and sounds of Regency London, I think that the underlying story is one of the best yet. The series has a really engaging group of principal characters and it’s lovely to see each of them being developed further in Heir Apparent, most notably Sam’s protégé, William Wilson. Definitely recommended.
- Ms. J. MenziesReviewed in the United Kingdom on October 24, 2019
5.0 out of 5 stars Another winner
Another great book in the Samuel Plank series with all the usual warmth, wit and page-turning mystery I’ve come to expect. Plus, I love how many times pie is mentioned. Oh, and the glossary at the end that I always refer to several times.
- mark mReviewed in the United Kingdom on May 12, 2025
3.0 out of 5 stars A light read
I've read all the books and they are easy to read, but terribly repetitive of unimportant detail. Sam plank and Wilson his understudy would make perfect modern men, being so caring and attentive to their respective partners. The most annoying part of basically a detective novel is a lack of punishment or conclusion to each story. Crime and punishment it's a simple premise to all crime novels. Not for me.
- Martin ColstonReviewed in the United Kingdom on November 23, 2019
5.0 out of 5 stars Charmingly satisfying
Once again Sam Plank guides us through byegone London using his trusted friends, colleagues and Martha to help him uncover the truth a seek justice
With the imminent creation of the Metropolitan Police, I wonder what's next for Sam and Wilson