...of my mother's husband, whose latest book just came out. It's called 'Fewer Headaches, Less Migraine' (Minder Hoofdpijn en Migraine), and it's his third book. The other two were 'the Jules Verne guide' and a book he wrote together with my mother called 'Growing Old Meaningfully'.
(These books are in Dutch, I translated the titles for your convenience.)
I've made a simple website about the book. Click the cover pic to see it.