HeAtlas of the demons of Mallorca, by Xesc Alemany and Bárbara Sansó (Susaeta); The demons of the little porthole, by Neus Coll and Roberto Campillo (Literary Island), and Ona the demonWritten by Núria Duran and also illustrated by Bárbara Sansó (Triangle Kids), these are just three of the more than fifteen children's and young adult books published in the last five years that deal, from different perspectives, with the festival of Sant Antoni in Mallorca or, more specifically, its central figure: the devil.