The 20th century was comparatively more intense in literary activity. Some of the literature in this period are ""Biag ti Maysa a Lakay, Wenno Nakaam-ames a Bales"" ("Life of an Old Man, or a Dreadful Revenge") by Mariano Gaerlan (1909); ""Uray Narigat no Paguimbagan"" ("Improvement Despite Obstacles") by Facundo Madriaga (1911); ""Mining Wenno Ayat ti Cararua"" ("Mining or Spiritual Love") by Marcelino Peña Crisologo (1914); ""Nasam-it ken Narucbos nga Sabong dagiti Dardarepdep ti Agbaniaga"" ("Sweet and Fresh Flower of a Traveller's Dreams") by Marcos E. Millon (1921); ""Sabsabong ken Lulua"" ("Flowers and Tears") by R. Respicio (1930); ""Apay a Pinatayda ni Naw Simon?"" ("Why Did They Kill Don Simon?") first known detective novel in Iloko by Leon C. Pichay (1935); ""Puso ti Ina"" ("A Mother's Heart") by Leon C. Pichay (1936).