Dame Agatha Mary Clarissa Christie (15 Sep 1890 – 12 Jan 1976) was an English crime novelist, short story writer, and playwright, mostly known for her numerous detective books and short story collections. She has created number of iconic characters such as Hercule Poirot and Jane Marple. Under a penname of Mary Westmacott she wrote six romances as well, but they never were as popular as her other works. The Secret Adversary is a detective novel by Agatha Christie. The story follows Tom and Prudence, an ex-soldier and a war volunteer. Both of them re down in the dumps – they have no job, no money, no future. Together they decide to hire themselves to "The Young Adventurers, Ltd". But one occasional meeting shall turn a simple quest for employment into a tangled investigation, for it turns out that one of them has a secret to hide.