In November 2012 he published ""La Chelita. El Salvador 1992"," a graphic novel based on the experiences and testimonies of international aid workers and veterans of the Salvadoran guerrilla. With this work, Ruma Barbero won the prize for best book in Asturian in 2012, awarded by the Tertulia Malory. One year later, he published "Aguantando cachones", which collected the comics that were presented in his blog from 2011 until July 2013.