The author couple Klaus-Peter Wolf and Bettina Göschl lives in the East Frisian town of Norden. Together they write the international successful children's book series "Die Nordseedetektive". Klaus-Peter Wolf is also popular for his East Frisian thrillers, who consistently top the bestseller lists. Bettina Göschl's children's songs are known from the children channel show "Sing-Alarm" and from the radio show "Bärenbude" on WDR 5. ("Die Nordseedetektive. Gefährliche Spur", JUMBO publishing company)
