Some excellent European mystery novels include 'The Maltese Falcon' by Dashiell Hammett. Although the author was American, the story has a strong European influence. In addition, 'The Third Man' by Graham Greene is a wonderful mystery set in post - war Vienna. And 'Death in Venice' by Thomas Mann can also be considered a mystery of sorts, exploring themes of obsession and decay in the Venetian setting.
One of the best is 'The Girl with the Dragon Tattoo' by Stieg Larsson. It's a gripping mystery set in Sweden with complex characters and a dark plot. Another great one is 'The Name of the Rose' by Umberto Eco, which combines mystery with historical and philosophical elements. And 'Murder on the Orient Express' by Agatha Christie is a classic, set on a train traveling through Europe with a cleverly crafted mystery.
Well, 'The Hound of the Baskervilles' by Arthur Conan Doyle is a top European mystery novel. It's set in England and features the brilliant detective Sherlock Holmes. Then there's 'The Silence of the Sea' by Vercors, a French mystery that offers a unique and thought - provoking story. Also, 'The Prague Cemetery' by Umberto Eco is a great choice, full of mystery and historical intrigue.