Simenon was one of the most prolific novelists of the twentieth century, publishing 425 books in his career, including more than 200 works of pulp fiction under 16 different pseudonyms, as well as 220 novels in his own name and three volumes of autobiography. Remarkably, he didn’t write every day. The Belgian-French novelist worked in intense bursts of literary activity, each lasting two or three weeks, separated by weeks or months of no writing at all.