The Nancy Drew Files #77: Swiss Secrets (1992)
Quick note, this is book #1 in the “Passport to Romance” series. Too bad I don't have any of the others! Since it's probably been a whole book since the gals left the country, they head off to Switzerland. Almost as soon as they land, they meet the handsome Franz Haussman who Bess develops a crush on and who offers to take them to their hotel. They also meet some random Australian named Mick. He seems annoyed that they already met another guy and offers to show them around town. Mick takes them to a watch museum and a few other sites in town. Nancy notices Franz's picture on the cover of the newspaper. It turns out that he's the son of the country's most famous watch company owner and incredibly rich. The picture shows this guy Yves punching him in the face. Mick acts all jealous of the guy and takes them on an even longer tour. When Nancy points out that he seems to know a whole lot about the city given that he's supposedly only been there for ...