Petra Sparrer works as a journalist, publisher, reader, translator, and project manager in her own editorial office in Cologne. For the Reise Know-How publishing company, she's written InselTrip (IslandTrip) La Réunion, in addition to the CityTrip books Lyon, Palma de Mallorca, and Lisbon, where Portugal captured her heart. In Porto, she's wandered through every corner, getting to know its remarka...