Books like this, made from scientific rigor and from civic engagement, have the great virtue of providing a high dose of political wisdom in the debate about what Spain is, based on historical knowledge.
Its reading is essential to understand why there are different national identities in today's Spain. Borja de Riquer aims to achieve an ambitious and commendable goal: the book should serve, above all, to provide a little more prudence and reflexive will to express opinions on the question of national identities and nationalism.