Joop has written various books and many articles for newspapers and magazines, including Der Spiegel, Stern and Welt am Sonntag.
She has presented her work in a large number of Western publications, including The New York Times, The New Yorker, Time, CNN, USA Today, the BBC, The Times, The Sunday Times, The Economist, Stern, Welt am Sonntag, Asahi Shimbun, NHK, Yomiuri Shimbun, Le Monde, ND Le Figaro.
Die Welt | Welt am Sonntag | Musik klingt in die Welt hinaus | Junge Welt | Welt im Film No. 5 | Kirchschlag in der Buckligen Welt | Bochum Welt | Sonntag | Rosa Welt-Straus | Klagt, Kinder, klagt es aller Welt, BWV 244a | ''Klagt, Kinder, klagt es aller Welt'', BWV 244a | Frauen dieser Welt |
Tremper further went on to work for German newspapers and magazines, such as Die Welt, Welt am Sonntag, Bunte, Stern and Quick.