New, updated edition 2020 - Guido van Eijck and Saskia Naafs are writers and journalists; they write about several subjects, from politics to travel, for a.o. De Groene Amsterdammer and several Dutch newspapers. They lived in Amsterdam for quite a while and then moved back to their birth town, Rotterdam. They are the authors of two guides about these cities; The 500 Hidden Secrets of Amsterdam and The 500 Hidden Secrets of Rotterdam. For Hidden Holland they explored every corner of their home country, and came across many interesting stories and surprising places, such as: — 5 artworks in unexpected locations — the 7 most authentic pubs — 6 impressive Delta projects — 5 cool gentrified industrial sites — 6 local specialities you should try — and much more.