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Treachery

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Betrayal lurks in the shadows of conquest and rebellion.

In the shadow of William the Conqueror’s reign, loyalty dances on a knife-edge and betrayal lurks behind every corner. The fourth instalment of Griff Hosker’s Conquest series, Treachery follows the gripping journey of Baron Richard fitz Malet, a young knight torn between his steadfast duty and the treachery that threatens to unravel everything he holds dear.

As the north stands on the brink of chaos, fitz Malet must navigate a treacherous landscape filled with cunning adversaries, including the devious Walcher, Bishop of Durham. When the call comes to venture across the sea to Normandy, he is not just risking his life but endangering the very future of his family and the brave men under his command. Later, as the Scots invade Northumbria, the burden of leadership weighs heavily on Richard’s shoulders. Each decision could ignite a rebellion or bring salvation; every act of valour holds the potential for treachery. As the fate of a conquered nation hangs in the balance, Baron fitz Malet faces trials that will forge his character and test the limits of loyalty amid a crucible of violence and political intrigue.

Treachery weaves a rich tapestry of honour and deception, exploring the profound impact of a turbulent era on its people. Readers will be drawn into the emotional struggles of a hero who must fight not only against external threats but also the inner demons of trust, sacrifice, and the true meaning of bravery. Will Richard fitz Malet emerge as a legend, or will treachery claim him as its own? Dive into a story where every choice could change the course of history, and the journey will linger long after the final page is turned.

305 pages, Kindle Edition

Published February 6, 2026

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About the author

Griff Hosker

307 books438 followers
I was born in 1950 in Lancashire and attended a boy’s grammar school. After qualifying as an English and Drama teacher in 1972, I worked in the North East of England for the next 35 years. During that time I did write, mainly plays, pantos and musicals for the students at the three schools in which I worked.

When I stopped teaching I set up my own consultancy firm and worked as an adviser in schools and colleges in the North East of England. The new Conservative Government ended that avenue of work and in 2010 I found that I had time on my hands; having started work at the age of 15 I found the lack of work not to my liking and used the time to research the Roman invasion of Britain and begin to create a novel. The result was The Sword of Cartimandua.

My decision to begin writing was one of the best I have ever taken.

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5 stars
120 (68%)
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Displaying 1 - 3 of 3 reviews
Profile Image for Michael Annis.
190 reviews
April 3, 2026
magic

Another great read in a good series as one expects from such a prolific writer. Great sense of history and well drawn characters with lots of action. Is it just me or does a lot of the action, especially in the second half seem like another of Griff’s book or have I got Deja Vu?
7 reviews
February 11, 2026
Sir Richard’s Father?

Sir William in the first 3 books was Sir Richard’s Levi ate half brother. How did he then become his father? Good story but as with the other 3 books several inaccuracies.
38 reviews
February 28, 2026
The Normans assert their over Northern England!

Sir Richard adds more manners when he goes to war in Normandy! Being a kind and generous war lord earns the love and respect of grateful Knights and men at arms!
Displaying 1 - 3 of 3 reviews