My Library: A is For Arsenic by Kathryn Harkup

Cheering, flaily-hands thanks to Sally Koetsveld, who gave me A is for Arsenic: The Poisons of Agatha Christie as a gift two Christmases ago, before I went to Lorne for a break.

Kathryn Harkup is herself a chemist, as well as a writer and avid reader of Christie. This makes her the perfect choice to write about the kinds of poisons Christie used in her stories from the combined storytelling and scientific points of view.

Some of the books I get for research I dip in and out of. Some, like this one, I read cover to cover. A is for Arsenic was perfect reading for a beachside holiday. Well. If you’re me.

It’s not an A-Z, but 14 letters of the alphabet are covered, describing the poisons most commonly used by Christie in her stories. Agatha Christie’s background as a dispenser in 1917 and beyond meant she was very familiar with several common poisons and their effects.

Harkup examines the stories in which they’re used (usually mostly spoiler-free or with clear warning before the spoilering commences). She talks about each poisons origins, whether they have antidotes in both the historical and contemporary contexts, how right Christie got the symptoms in the story and exactly how these poisons work in the body to kill the victim. The latter is pretty technical, but also very clearly laid out. 

When you write both Victorian-era and contemporary crime and horror, a book like this is a superb helpmeet. With it, I can determine, for example,  how much either Dr Watson’s medical background, or Holmes’s as a chemist, will inform their responses and deductions, how easily a poison might be obtained, and how long it might take someone to expire (or be saved!).

A is for Arsenic is entertaining reading on its own, but as a tool for the writer, it promises to be both a useful reference work and a probable source of inspiration!

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