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.

Available in: ebook, paperback

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


My next book is a journey through 100 years of history through the eyes of 3 women named Elizabeth. And the cover is blooming amazing, thank you @penswordpub 🙏❤️ Due out October but not quite yet available for pre-order ... more details here:

the wild southwest: brewing range war a territory struggling toward statehood courtroom dramas & adversities of a boy’s quest for manhood
@authornotarthur @maryanneyarde
#HistoricalFiction #WildWest #WesternHistoricalFiction #BlogTour #CoffeePotBookClub

Today PLEASE RT BUT DON'T LIKE PitMad tweets:
Lily Lawson @lifelovelily22
(Likes reserved for Agents & publishers!)

Guns drawn. People died at both their hands
Survivor takes all. Who’s left standing on the other's graves. Is $ really the root of all evil?
#Pitdark #A #DR

Deaf maidservant Abigail finds herself in danger when she is taken on by a young heiress with a secret - Lady Katherine Fanshawe.
Try this true story for only #99p #99c
#YAlit #historicalfiction


A Suggestion of Scandal #Regency

“a smooth read; providing laughs and gasps. Readers will enjoy the cool-headed Miss Fancourt, while hoping that Sir Julian puts the pieces of the puzzle together quickly!" HNS reviewer FREE on KU

Load More...