Through studying 18th-century library sales catalogues, Alicia Montoya discovered that at a time when the Enlightenment changed thinking in Europe, religious books were still the biggest sellers. She questions what the impact of the philosophical transformation was amongst the wider population, outside the small circle of the intellectual elite. Has the hegemony of knowledge and reason been overstated? Alicia Montoya is Humanities laureate of the Ammodo KNAW Award 2017.