Her eyes opened, she looked at Tuppence and said, 'I see you're looking at the fireplace.' 'Oh. Was I?' said Tuppence, slightly startled. 'Yes. I wondered-' she leant forward and lowered her voice. '-Excuse me, was it your poor child?' I read By the Pricking of My Thumbs some time ago, but decided to write a review now during a week dedicated to detective fiction in this blog. The novel is part of the "Tommy and Tuppence mystery" series. Shamefully I must admit that I thought that Tommy and Tuppence were both men, kind of like Sherlock and Holmes. I didn't realize that Christie (the woman created Miss Marple, for goodness sake!) obviously had a male-female pair of detectives. Tommy and Tuppence are Thomas and Prudence Beresford, an ageing husband and wife with connections to the British intelligence services. In the beginning of the novel, they visit elderly Aunt Ada at the Sunny Ridge nursing home. Tuppence encounters an ...