Principia Editora is an independent Portuguese publishing house whose activity is focused on different editorial areas through several imprints: Principia (academic, scientific and technical books), Lucerna (religion, catholic oriented), Sete Mares (nautical and sports; travel), Casa Sassetti (music; fine arts) and Sopa de Letras (fiction). In addition, Princípia Editora renders services as packager (for several private and public organizations) and as distributor (mostly for other publishing companies)
