The Name of the Rose by Umberto Eco, 1980
Top 19 in Top 19 Best Mystery Books of All Time
In 1983, the novel was translated from Italian to English. Umberto Eco, who died in 2016, was a scholar with a long publication career. His major field of expertise was semiotics, or the study of symbols, but he was also an expert on history and languages (he spoke many), thus he authored academic works for universities, fiction novels, and even children's books throughout his career. He wasn't a snoozer.
His debut novel was The Name of the Rose. It's classified as a historical mystery, but it's also classified as a post-modern mystery. The book has sold over 50 million copies, has been translated into multiple languages, and has won numerous awards.
Link to buy: www.amazon.com/dp/0544176561?tag=upjourney-20