High Quality Content by WIKIPEDIA articles! Radio Nova is a radio channel in Finland. It was a major radio industry milestone when it launched in 1997. Nova was the only national commercial broadcaster. It is owned by Bonnier and Proventus. Nova specializes in playing popular music for people aged 25-44 and hourly news bulletins. Bonnier (also the Bonnier Group) is a privately-held Swedish media group of 150 companies operating in 21 countries. It is controlled by the Bonnier family. The company was started in 1804 by the German Jew Gerhard Bonnier in Copenhagen, Denmark when Bonnier published his first book, Underfulde og sandfærdige kriminalhistorier. Gerhard's sons later moved to Sweden. The Bonnier publishing companies now include Albert Bonniers förlag, Wahlström & Widstrand, Forum and Bonnier Carlsen, as well as several other imprints in Sweden, as well as the film company AB Svensk Filmindustri. The Group's subsidiary in Finland is Tammi, and the subsidiary in Norway is Cappelens forlag. Bonnier is the leading publisher of children's books in Germany, where it also publishes fiction.