A very colorful booklet with a very nice composition of typography represents the Typotron 15. Unfortunately, this issue was only published in German. All the texts were taken from more than 32 different articles with different expertises from typographer, historian, mathematician, philosopher to publisher. As my curiosity rose, I translated some of the articles with Google translator. The articles are really interesting statements for the expertise. The booklet is setting with Franklin Gothic No:2.