Legenda 2020 a complex and multilayer narrative essay, which may metaphorically be envisioned as a cognitive immunization system: nineteen chapters have been conceived and composed by the author, Graziella Tonfoni, to inform new readers (chapters I-XIX), whereas her long time and old times readers are comprehensively updated in the final and extended chapter XX. Alltogether, a narrative journey, a textual documentary, conceived and composed in Italian, ready to be subtitled, adapted, translated into a whole variety of languages.