Gute Nacht Einsamkeit
-Maria Barnas, Arjan van Helmond
99 Publishers, Haarlem
Navigator
- with contributions by Zlatko Wurzberg, Gilda williams and Ingrid Commandeur
http://www.amazon.com/Arjan-van-Helmond-Gilda-Williams/dp/9086900771
Jakarta Megalopolis - Horizontal and vertical observations
Stani Michiels, Arjan van Helmond
- with contributions by CharlesEsche, Abidin Kusno, Agung Hujatnikajennong and Gerardo Mosquera
http://www.amazon.com/Stani-Michiels-Arjan-van-Helmond/dp/907808801X