Die Siebte Sprachfunktion by Laurent binet

Set against the backdrop of 1980s France, this novel weaves a thrilling narrative around the mysterious death of renowned semiotician Roland Barthes. As the story unfolds, a detective and a linguistics professor delve into a world of intellectual intrigue, political machinations, and academic rivalries. They uncover a secretive, powerful linguistic tool known as the "seventh function of language," which grants its possessor the ability to manipulate and control others through speech. The plot is a clever blend of historical fact and fiction, exploring themes of power, language, and the influence of intellectual elites.