Shortlisted for the BMA Book Awards and Macavity Awards 2016

Fourteen novels. Fourteen poisons. Just because it's fiction doesn't mean it's all made-up ...

Agatha Christie revelled in the use of poison to kill off unfortunate victims in her books; indeed, she employed it more than any other murder method, with the poison itself often being a central part of the novel. Her choice of deadly substances was far from random - the characteristics of each often provide vital clues to the discovery of the murderer. With gunshots or stabbings the cause of death is obvious, but this is not the case with poisons. How is it that some compounds prove so deadly, and in such tiny amounts?

Christie's extensive chemical knowledge provides the backdrop for A is for Arsenic, in which Kathryn Harkup investigates the poisons used by the murderer in fourteen classic Agatha Christie mysteries. It looks at why certain chemicals kill, how they interact with the body, the cases that may have inspired Christie, and the feasibility of obtaining, administering and detecting these poisons, both at the time the novel was written and today. A is for Arsenic is a celebration of the use of science by the undisputed Queen of Crime.

Kathryn Harkup is a chemist and author. Kathryn completed a doctorate on her favourite chemicals, phosphines, and went on to further postdoctoral research before realising that talking, writing and demonstrating science appealed a bit more than hours slaving over a hot fume-hood. For six years she ran the outreach in engineering, computing, physics and maths at the University of Surrey, which involved writing talks on science topics that would appeal to bored teenagers (anything disgusting or dangerous was usually the most popular). Kathryn is now a freelance science communicator delivering talks and workshops on the quirky side of science.

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