Luis Miguel Guerra, Barcelona, 1963, has a degree in Geography and History from the UB and a Master's from the Autonomous University of Barcelona. Specializing in Spain in the first third of the 10th century, he is a practicing teacher in a Baccalaureate center. With strong social concerns, he has promoted initiatives in the field of development cooperation in Latin American and African countries and actively participates in the political and social life of those closest to him. Annual is his third novel published in Edhasa, after La peste negra (2006) and La ruta perdida (2008), in addition to the essay El neito de los rojos (Ediciones La Lluvia, 2013) on the second republic.