The Poison Keeper

Naples 1633 Aqua Tofana – One drop to heal. Three drops to kill. Giulia Tofana longs for more responsibility in her mother’s apothecary business, but Mamma has always been secretive and refuses to tell Giulia the hidden keys to her success. When Mamma is arrested for the poisoning of the powerful Duke de Verdi, Giulia is shocked to uncover the darker side of her trade. BookViral Millennium Award Winner. Wishing Shelf Readers Award Winner, Books 2 and 3 available now!

Available in: ebook, paperback, audiobook

Recent Releases


Sign up for Deborah’s monthly newsletter ‘The Astonishing Past’ – and you’ll get this free story, Last Train Home. It’s a wartime railway romance ideal for your coffee-time reading.

When you sign up you’ll also get exclusive articles on our astonishing history, as well as book chat, news of subscriber only giveaways and the chance to win one of Deborah’s books every month in a monthly draw.



Welcome to the online home of Deborah Swift, historical novelist. Before publishing her first novel Deborah worked as a set and costume designer for theatre and TV. She also developed a degree course in Theatre Arts at the Arden School of Theatre, where she taught scenography and the history of design. In 2007 she took an MA in Creative Writing at Lancaster University, and since then has juggled writing with teaching.

Deborah has been published by St Martin’s Press, Pan Macmillan, Endeavour Press, Headline Accent and Sapere Books.

Recent Blog Posts


Nice little find at @UkNatArchives yesterday! A medieval reeve's tally stick, preserved in amazing condition. I feel very lucky to be able to look at these documents #twitterstorians #medieval #History

1458. A young Frenchwoman navigates a dangerous game of cat and mouse in the royal court of Cyprus.

👑THE QUEEN'S SCRIBE preorder is live!👑

🎉💫Just 99c/99p💫🎉

#HistoricalFiction #NewRelease #KindleUnlimited

Mia's mother has a dangerous secret.
But Mia doesn't want her protection.
Visit the shimmering canals and the crumbling palazzi of old Venice.
'captivating' -- Aspects of History
Paperback, ebook, audiobook
#GiuliaTofana #HistoricalFiction #Renaissance

Deborah Swift is talking about the challenges of writing #HistoricalFiction based on a diary. @swiftstory @maryanneyarde

Enter for a chance to win #literary #historical #bookclub #fiction from your favorite bestselling and award-winning authors via @BookSweeps, plus a brand-new Kindle Fire! #AmReading

Load More...