books.google.at - In 1637, one Dutchman paid as much for a single tulip bulb as the going price of a town house in Amsterdam. Three and a half centuries later, Amsterdam is once again the mecca for people who care passionately about one particular plant — thought this time the obsessions revolves around the intoxicating...https://books.google.at/books/about/The_Botany_of_Desire.html?hl=de&id=FgAgAQAAIAAJ&utm_source=gb-gplus-shareThe Botany of Desire