Kathryn Harkup is a former chemist turned writer and science communicator. Her interests are in anything gothic, gory and geeky, and preferably all three. She has written several books on the crossover between science, literature and pop culture including The Secret Lives of the Elements, The Secret Lives of Molecules, A is for Arsenic: The Poisons of Agatha Christie, Making the Monster: The Science of Mary Shelley’s Frankenstein, Death by Shakespeare: Snakebites, Stabbings and Broken Hearts, Superspy Science: Science, Death and Tech in the World of James Bond and Vampirology: The Science of Horror’s Most Famous Fiend.

Kathryn also loves talking about the darker side of science. She is happy to help anyone devolop their plots to take over the world, or advise them on how to protect themselves from poisoners or the undead.

News & Events

Ladies Lunch: A is for Arsenic

11am Monday 1st September 2025 – Tylney Hall

Join us for a wonderful afternoon of good food, great company, and inspiring conversation!

Agatha Christie revelled in the use of poison to kill off unfortunate victims in her books; indeed, she used more poisons more accurately than any other crime writer. The poison itself often became a central part of the novel. This talk looks at how the writer used her extensive knowledge of drugs and medicines mixed with real life cases to create her brilliantly plotted crime novels. Her poisons were picked with care, often providing vital clues to the discovery of the murderer. We will look at howdunnit but whodunnit is for you to find out.

Tickets available here

Jersey Festival of Words – V is for Venom

10.30am Saturday 27th September 2025 – Jersey Arts Centre

Fourteen novels … fourteen poisons … don’t be fooled into thinking that everything within the pages of Agatha Christie’s books is fiction… Former chemist Kathryn Harkup explores the scientific facts behind the chemicals put to such deadly use in Christie’s novels. How do these compounds affect the body? What is the history of their use in real-life murder cases, and how feasible would it be to obtain, administer and detect these poisons, both at the time the novels were written and today? Join Harkup for a riveting talk in which she delves into the enduring popularity of poisons and the macabre.

Kathryn Harkup gives regular public talks on the disgusting and dangerous side of science. Her first book was the international bestseller A is for Arsenic: The Poisons of Agatha Christie which was shortlisted for the Mystery Readers International Macavity Award and a BMA Book Award.

This event will be BSL interpreted.

Tickets available here

Royston Pike Lectures – A is for Arsenic

7.30pm Wednesday 15 October 2025 – Riverhouse Barns Arts Centre, Walton on Thames

Agatha Christie revelled in the use of poison to kill off unfortunate victims in her books; indeed, she used more poisons more accurately than any other crime writer. The poison itself often became a central part of the novel. This talk looks at how the writer used her extensive knowledge of drugs and medicines mixed with real life cases to create her brilliantly plotted crime novels. Her poisons were picked with care, often providing vital clues to the discovery of the murderer. We will look at howdunnit but whodunnit is for you to find out.

Book tickets here

Shedunnit Podcast - The Poison Book

If you would like to hear about where poisoners got their poisons in Golden Age detective fiction, there is a podcast here