Many years ago, I think it was around 1983, my friend Paul Mijksenaar, himself one of the worlds leading experts on signing, made a calendar. It was a very special calendar, starting in april and ending in october the following year. This calendar could be used in 1983, but than again in 1988, 1994 and after that in 2005, 2011 and 2016. There is a new page for every week. The subject of the calendar though was even more interesting. It’s about maps. Paul is a collectionneur. He collects lots of weird stuff. One of the things he has a crazy collection on is maps.

The page with the week of the 28th of august on it features three very interesting maps. They were made by P. Gould and R. White and published in their book Mental Maps. I think the Mental Map is the most important map there is…