Patricia Wentworth's detective stories have it all: a captivating plot, gripping intrigue and a surprising, quintessentially British protagonist - Miss Maul Silver, an elegant and slightly eccentric old lady. Agatha Christie herself has admitted more than once: in many ways, Maud Silver became the prototype of the legendary Miss Marple. Everyone believes that the brilliant scientist Michael Harsh committed suicide. Harsh’s invention was supposed to revolutionize the world of science, but the fruits of his labor disappeared without a trace... Miss Maud Silver, detective the amateur has no doubt: a murder occurred.