The present research proposal will shed more light on the typographical evolutions of the handpress book in Flanders and will go into the underlying reasons for these phenomena. In order to attain this end, the typography of a limited number of well chosen genres will be analysed. The leading hypothesis is that typographical evolutions develop differently, faster or slower, depending on the characteristics of the distinguished genres. This starting point is tentatively confirmed by case studies (e.g. Van Impe & Bos 2006).