
Classic 007-style action - a genuine goldmine of a thriller
The Chemical Code
Jaq Silver spicy engineering thriller Book #4
Jaq Silver is back in Brazil and this time she has a single mission—vengeance. When her enemies take what she treasures most, she will do anything to make them pay. A series of betrayals leave her unsure who to trust. Jaq becomes increasingly embroiled in a web of international corruption. This is one mission she has to complete alone, but can Jaq be sure she is chasing down the right target? And who is pursuing Jaq?

Series: Jaq Silver Thrillers
Formats available: Paperback, eBook, Audiobook
First published: 29/06/23
Reviews for The Chemical Code
‘A 21st-century reinterpretation of classic 007-style action, villainy, exotic location and pretzel plotting… a genuine goldmine of a thriller.’
Engineering and Technology
‘Erskine’s latest outing for Jaq Silver, an explosives and chemical expert, sees Silver back in Brazil, where the race is on for the country’s vast mineral riches. Jaq is quickly drawn into a vortex of action, danger and exotic locations.’
Financial Times
‘A page-turning rollercoaster. Intelligent, exciting, and so much bang for your buck that it’s scary.’
Jude O'Reilly
‘This book has it all. Phenomenal world-building. Totally original plot. Fascinating and insightful social commentary. Love. Sex. Punch-ups. There’s nothing not to like. Jaq Silver is undoubtedly the best character I’ve met in years.’
Emma Christie
This week #PhosphateRocks e-book is only £0.99 in UK
Who doesn`t love a story about a demolition gone wrong? @raine_clouds_writes @lesleykellyauthor
https://www.amazon.co.uk/Phosphate-Rocks-Death-Ten-Objects-ebook/dp/B0CTRRXKNY
PS: The audio book narrated by @rain.goblin is pretty special too
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August 8th is the 50th Anniversary of the Banqiao Dam disaster.
I went to visit.
https://fionaerskine.substack.com/p/beware-sleeping-giants
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A quarter of my sales this month were overseas for the very first time!
Massive thanks to all those fine Canadians for topping the list. Say Hi if you see this.
https://fionaerskine.com/
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On my way to Harrogate today
https://open.substack.com/pub/fionaerskine/p/harrogate
Say hello if you`ll be there
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What makes the perfect handbag and how much is it worth?
https://fionaerskine.substack.com/p/the-perfect-handbag
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https://fionaerskine.substack.com/p/i-have-some-news
Goodbye @oneworldpublications and thank you for everything – it was such an honour to be published by you and I loved working with the team.
Now, like #JaqSilver I`m going solo
Big thanks to @kidethic for my beautiful new covers
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Such a treat to interview #TerryDeary about his first adult crime book #ActuallyImAMurderer (it’s great!) at @backofthebeyondbooks
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Happy International Women in Engineering Day!
Thanks to @Chem_Processing for highlighting #TheChemicalDetective!
#INWED2025 #INWED25
https://www.chemicalprocessing.com/voices/women-in-chemistry/podcast/55298245/celebrating-international-women-in-engineering-day
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More canine readers in @forumbookscorbridge #winter #losingcontrol
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Lovely to chat to the reading family from #Tynemouth via #Hartlepool at @forumbookscorbridge #Bowmans
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First time I’ve signed a book for a dog – and what a beauty she is! @lady_penelopepitstop @forumbookscorbridge
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First book of my holiday complete. Thank you @erskine_fiona. An entertaining & complex story - easily transporting me from the Maltese sun I’m currently basking in to the cold dark Teeside winter. I look forward to reading more about DI Julie Cadell.
Late to the party but absolutely loving @geowriter #nightclimbing
September treat! In the Blink of an Eye is now only 99p on kindle for September! 👇
Really looking forward to talking to Carolyn about #CoraBurns, #WhenWeFall and most of all her scintillating new novel #Ravenglass.

Soooooo excited for this pre-pub exclusive event in "The most magical little bookshop" @drakebookshop talking to my fave ever author, the brilliant @erskine_fiona 🤩 #StocktononTees Tickets here: https://share.google/xByL2vam4pqgVUKPl
Soooooo excited for this pre-pub exclusive event in "The most magical little bookshop" @drakebookshop talking to my fave ever author, the brilliant @erskine_fiona 🤩 #StocktononTees Tickets here: https://share.google/xByL2vam4pqgVUKPl
One week left to nab WHITE CITY for less than a quid on Kindle.
https://amzn.eu/d/2g1623R
“The best crime novel I've read this year”
— The Times
“Quite breathtaking”
— Daily Mail
“Superb”
— Guardian
And, most importantly, the opinion of the Pinborough Bugle:
Ravenglass is my best read so far this year - pre orders recommended

Bank Holiday Sale!😁 Pre-order Ravenglass and other great #histfic books with 25% off using code SUMMER25 at the checkout https://www.northodox.co.uk/product-page/Ravenglass-paperback
Don’t miss bookclub tomorrow at 10am followed by a signing at 11am with @cmacwritescrime #Durham #events
Really looking forward to chatting with the brilliant @MichaelHWood at Newcastle Waterstones next week. Hope to see some of you there!
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Get instant access to the Subscribers Only section of my website with new work pre-publication, private musings and lashings of publishing stories and advice. I’ll update subscribers on new releases and in-person events AND run competitions with great give-aways.