Arsenic and Cyanide and Strychnine, Oh, My! A Guide to Agatha Christie’s Use of Poison

Carol writes: Cyanide, morphine, digitoxin, ricin, strophanthin, strychnine, nicotine, chloral hydrate, hyoscine, snake venom, and more. The list seemed endless, as Agatha Christie put her knowledge of poisons to work in more than half of her novels and short stories.