《醫學上的推理》（書名譯自：《The Medical Detective》）一書榮獲英國醫學報導協會Tony Thistlewaite Prize。英國亞馬遜網路書店讀者評鑑五顆星，也是醫學歷史類的暢銷書。

1831年，來自亞洲的一個可怕又致人死命的疾病──霍亂──席捲歐洲，奪走百萬人的生命，一時之間讓醫學專業人士措手不及。當此殺手級疾病傳到英國時，一位名叫John Snow發現了這個像毒蟲一樣擴散的病毒的背後秘密，留下其研究報告，成為日後醫界研究現代流行疾病的重要依據。

Sandra Hempel is a journalist and copywriter who specializes in health and social issues. She has worked for many leading newspaper and magazines, including the Times, Sunday Times, Guardian and Mail on Sunday, as well as for the Department of Health and the NHS. She lives in London with her two daughters.