The Paris Librarian

When Hugo Marston's friend Paul Rogers is found dead in a locked room at the American Library in Paris, initial reports suggest natural causes. However, convinced that something sinister has occurred, Hugo investigates and uncovers intriguing rumors surrounding letters from actress Isabelle Severin, rumored to have aided the Resistance during World War II. As he explores the library's depths, he discovers forgotten history and a legendary dagger tied to an SS officer’s death, leading him to unearth the truth about a long-buried crime.